Add code example for the usage of `CustomFormDataProcessor`

See #421

Merge branch '6.0' into 6.1

Document deprecation of the `{pages}` template function

Merge pull request #445 from WoltLab/user-activity-events

Document user activity events

Document user activity events

Closes #414

Merge pull request #441 from WoltLab/rpc-api

Add the documentation for the RPC API

Document the sandbox for templates inside of BBCodes

See WoltLab/WCF#5910

Add the documentation for the TypeScript RPC API

Add the documentation for the PHP RPC-API

Apply code formatter

Merge pull request #412 from WoltLab/dependabot/github_actions/actions/setup-python-5

Merge pull request #443 from WoltLab/dependabot/pip/mike-2.1.1

Bump mike from 1.1.2 to 2.1.1

Bumps [mike](https://github.com/jimporter/mike) from 1.1.2 to 2.1.1.
- [Release notes](https://github.com/jimporter/mike/releases)
- [Changelog](https://github.com/jimporter/mike/blob/master/CHANGES.md)
- [Commits](https://github.com/jimporter/mike/compare/v1.1.2...v2.1.1)

---
updated-dependencies:
- dependency-name: mike
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Merge pull request #402 from WoltLab/dependabot/pip/mkdocs-macros-plugin-1.0.5

Bump mkdocs-macros-plugin from 1.0.4 to 1.0.5

Bumps [mkdocs-macros-plugin](https://github.com/fralau/mkdocs_macros_plugin) from 1.0.4 to 1.0.5.
- [Release notes](https://github.com/fralau/mkdocs_macros_plugin/releases)
- [Changelog](https://github.com/fralau/mkdocs_macros_plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/fralau/mkdocs_macros_plugin/compare/v1.0.4...v1.0.5)

---
updated-dependencies:
- dependency-name: mkdocs-macros-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Merge pull request #401 from WoltLab/dependabot/pip/markdown-3.5.1

Merge pull request #411 from WoltLab/dependabot/pip/mkdocs-material-9.5.3

Update deprecations and removals

Closes #435

Update list of events

Closes #440
Closes #435

Add missing links to bootstrap script documentation

Update deprecations and removals

Document comment backend changes

Update list of shared templates

Merge branch '6.0' into 6.1

Fix outdated code

Missing return type for `getTitle()` and `getLink()`

Merge pull request #434 from WoltLab/event-organization

Document overhaul of the event organization

Update information about the `BoxCollecting` event

Merge branch '6.0' into 6.1

Add missing requirement / update required version

Document overhaul of the event organization

See https://github.com/WoltLab/WCF/pull/5912

Merge pull request #433 from WoltLab/box-config

Document migration to new box commands

Dokument migration to new box commands

See https://github.com/WoltLab/WCF/pull/5906

Merge pull request #432 from WoltLab/user-activity-event-migration

Document `UserActivityEvent` migration

Apply suggestions from code review

Co-authored-by: Alexander Ebert <ebert@woltlab.com>

Document `UserActivityEvent` migration

See #414

Merge pull request #431 from WoltLab/notice-webcomponent

Document `<woltlab-core-notice>`

Document `<woltlab-core-notice>`

Closes #405

Merge pull request #430 from WoltLab/acp-menu-items

Document API to configure ACP menu items via bootstrap script

Apply suggestions from code review

Merge pull request #427 from WoltLab/acp-dashboard-boxes

Document admin dashboard boxes

Merge pull request #429 from WoltLab/bootstrap-scripts

Document bootstrap scripts

Document API to configure ACP menu items via bootstrap script

Closes #404

Move documentation to 'Package Components'

Document bootstrap scripts

Closes #428

Document admin dashboard boxes

Closes #422

Merge pull request #426 from WoltLab/unsafe-prefix

Document the unsafe prefix

Document the unsafe prefix

This PR intentionally removes a lot of unnecessary uses of the `@` operator. Having a few more calls to `htmlspecialchars()` makes no difference, but avoids potential security issues now or in the future, for example, when performing refactors.

Closes #424

Add `__multilineItemListFormField` to the list of shared template

Merge pull request #425 from WoltLab/Psr15DialogForm

Document `Psr15DialogForm`

Document `Psr15DialogForm`

See #421

Add general example for form builder usage

See #421

Document `NoticeFormNode`

Closes #408

Document `CurrencyFormField`

Closes #423

Add `AbstractOauth2Action` to the list of deprecated classes

Add `ICommentManager::canModerate` to deprecation function

Add `HtmlBBCodeParser` to deprecation classes

Add `WCF.ACL` to removals

Update deprecations and removals

Remove outdated requirements / recommendations

Merge pull request #420 from WoltLab/rss-feeds

Add documentation of the new RSS feed API

Fix typo

Co-authored-by: Alexander Ebert <ebert@woltlab.com>

Add documentation of the new RSS feed API

Closes #413

Merge pull request #419 from WoltLab/pagination-tutorial

Update outdated pagination in the tutorial

Update outdated pagination in the tutorial

Fixed wrong event name

Merge pull request #418 from WoltLab/shared-templates

Shared templates

Merge branch '6.1' into shared-templates

# Conflicts:
# mkdocs.yml

Merge pull request #417 from WoltLab/html-upcast-processor

Adding documentation for the `HtmlUpcastProcessor`

Change the size of the title `shared template`

Add information to explain how the replacement works

Adding documentation for shared templates

Adding documentation for the `HtmlUpcastProcessor

Fix the usage of `document.createElement`

See https://www.woltlab.com/community/thread/304959-fehler-in-der-javascript-doku/

Update deprecations and removals

Update deprecations and removals

Bump mkdocs-material from 9.4.2 to 9.5.3

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.4.2 to 9.5.3.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](https://github.com/squidfunk/mkdocs-material/compare/9.4.2...9.5.3)

---
updated-dependencies:
- dependency-name: mkdocs-material
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Merge branch '6.0' into 6.1

Explicitly run `pip install setuptools`

Document `LanguageItemFormNode`

Closes #406

Fix outdated usage of icons

Closes #407

Document the deprecation of `WCF.User.Action.Follow`

Bump actions/setup-python from 4 to 5

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4 to 5.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/v4...v5)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Fix wrong icon name in acp menu example

Closes #385

Bump markdown from 3.4.4 to 3.5.1

Bumps [markdown](https://github.com/Python-Markdown/markdown) from 3.4.4 to 3.5.1.
- [Release notes](https://github.com/Python-Markdown/markdown/releases)
- [Changelog](https://github.com/Python-Markdown/markdown/blob/master/docs/changelog.md)
- [Commits](https://github.com/Python-Markdown/markdown/compare/3.4.4...3.5.1)

---
updated-dependencies:
- dependency-name: markdown
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Document the removal of `AttachmentBBCode::setAttachmentList()`

Bump mkdocs-material from 9.3.1 to 9.4.2 (#399)

Bump mkdocs from 1.5.2 to 1.5.3 (#400)

Document the icon usage for `userMenu.xml`

Bump mkdocs-material from 9.2.8 to 9.3.1 (#397)

Merge branch '6.0' into 6.1

Update the excludedpackage version in getting-started.md

Adjust version references from 6.0 to 6.1

Add 6.1 to deploy.yml

Add the documentation for CKEditor5 plugins

Merge branch '5.5' into 6.0

Sync the remaining TypeScript configuration files

Merge branch '5.5' into 6.0

Merge remote-tracking branch 'origin/6.0' into 6.0

Update .eslintrc.js based on com.woltlab.wcf.conversation

Update deprecations and removals