[DOCS] Switch form documentation to PHP-based rendering

A backport to 11.5 is not possible due to too many issues in the Docs that cannot be backported automatically.

Resolves: #103479
Releases: main, 12.4
Change-Id: Id52b3193cf270962f6d728d2dc012b5b1d5c2856
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83585


Tested-by: Lina Wolf <112@linawolf.de>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Lina Wolf <112@linawolf.de>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>

typo3/sysext/form/Documentation/Includes.rst.txt

-.. More information about this file:
-   https://docs.typo3.org/m/typo3/docs-how-to-document/main/en-us/GeneralConventions/FileStructure.html#includes-rst-txt
-
-.. ----------
-.. text roles
-.. ----------
-
-.. role:: aspect(emphasis)
-.. role:: bash(code)
-.. role:: html(code)
-.. role:: js(code)
-.. role:: php(code)
-.. role:: rst(code)
-.. role:: sep(strong)
-.. role:: sql(code)
-
-.. role:: tsconfig(code)
-   :class: typoscript
-
-.. role:: typoscript(code)
-.. role:: xml(code)
-   :class: html
-
-.. role:: yaml(code)
-
-.. default-role:: code
-
-.. ---------
-.. highlight
-.. ---------
-
-.. By default, code blocks use PHP syntax highlighting
-
-.. highlight:: php
+..  You can put central messages to display on all pages here

typo3/sysext/form/Documentation/Index.rst

@@ -53,4 +53,3 @@ integrators and developers alike to create all kinds of forms.
    :hidden:
 
    Sitemap
-   genindex

typo3/sysext/form/Documentation/Settings.cfg

-# More information about this file:
-# https://docs.typo3.org/m/typo3/docs-how-to-document/main/en-us/GeneralConventions/FileStructure.html#settings-cfg
-
-[general]
-
-project     = Form
-version     = main (development)
-release     = main (development)
-copyright   = since 2011 by the TYPO3 contributors
-
-[html_theme_options]
-
-# "Edit on GitHub" button
-github_repository          = typo3/typo3
-github_branch              = main
-path_to_documentation_dir  = typo3/sysext/form/Documentation/
-
-# Footer links
-project_home         = https://extensions.typo3.org/extension/form/
-project_contact      = https://typo3.slack.com/archives/C025BQLFA
-project_repository   = https://github.com/typo3/typo3
-project_issues       = https://forge.typo3.org/projects/typo3cms-core/issues
-project_discussions  =
-
-use_opensearch       =
-
-[intersphinx_mapping]
-
-# Official TYPO3 manuals
-# h2document     = https://docs.typo3.org/m/typo3/docs-how-to-document/main/en-us/
-# t3content      = https://docs.typo3.org/m/typo3/guide-contentandmarketing/main/en-us/
-# t3contribute   = https://docs.typo3.org/m/typo3/guide-contributionworkflow/main/en-us/
-t3coreapi      = https://docs.typo3.org/m/typo3/reference-coreapi/main/en-us/
-# t3editors      = https://docs.typo3.org/m/typo3/tutorial-editors/main/en-us/
-# t3extexample   = https://docs.typo3.org/m/typo3/guide-example-extension-manual/main/en-us/
-# t3home         = https://docs.typo3.org/
-# t3sitepackage  = https://docs.typo3.org/m/typo3/tutorial-sitepackage/main/en-us/
-# t3start        = https://docs.typo3.org/m/typo3/tutorial-getting-started/main/en-us/
-# t3tca          = https://docs.typo3.org/m/typo3/reference-tca/main/en-us/
-# t3translate    = https://docs.typo3.org/m/typo3/guide-frontendlocalization/main/en-us/
-# t3tsconfig     = https://docs.typo3.org/m/typo3/reference-tsconfig/main/en-us/
-# t3tsref        = https://docs.typo3.org/m/typo3/reference-typoscript/main/en-us/
-# t3ts45         = https://docs.typo3.org/m/typo3/tutorial-typoscript-in-45-minutes/main/en-us/
-# t3viewhelper   = https://docs.typo3.org/other/typo3/view-helper-reference/main/en-us/
-# t3upgrade      = https://docs.typo3.org/m/typo3/guide-installation/main/en-us/
-
-# TYPO3 system extensions
-# ext_adminpanel     = https://docs.typo3.org/c/typo3/cms-adminpanel/main/en-us/
-# ext_core           = https://docs.typo3.org/c/typo3/cms-core/main/en-us/
-# ext_dashboard      = https://docs.typo3.org/c/typo3/cms-dashboard/main/en-us/
-# ext_felogin        = https://docs.typo3.org/c/typo3/cms-felogin/main/en-us/
-# ext_form           = https://docs.typo3.org/c/typo3/cms-form/main/en-us/
-# ext_fsc            = https://docs.typo3.org/c/typo3/cms-fluid-styled-content/main/en-us/
-# ext_impexp         = https://docs.typo3.org/c/typo3/cms-impexp/main/en-us/
-# ext_indexed_search = https://docs.typo3.org/c/typo3/cms-indexed-search/main/en-us/
-# ext_linkvalidator  = https://docs.typo3.org/c/typo3/cms-linkvalidator/main/en-us/
-# ext_lowlevel       = https://docs.typo3.org/c/typo3/cms-lowlevel/main/en-us/
-# ext_reactions      = https://docs.typo3.org/c/typo3/cms-reactions/main/en-us/
-# ext_recycler       = https://docs.typo3.org/c/typo3/cms-recycler/main/en-us/
-# ext_redirects      = https://docs.typo3.org/c/typo3/cms-redirects/main/en-us/
-# ext_reports        = https://docs.typo3.org/c/typo3/cms-reports/main/en-us/
-# ext_rte_ckeditor   = https://docs.typo3.org/c/typo3/cms-rte-ckeditor/main/en-us/
-# ext_scheduler      = https://docs.typo3.org/c/typo3/cms-scheduler/main/en-us/
-# ext_seo            = https://docs.typo3.org/c/typo3/cms-seo/main/en-us/
-# ext_workspaces     = https://docs.typo3.org/c/typo3/cms-workspaces/main/en-us/
-
-[extlinks]
-
-t3src = https://github.com/typo3/typo3/blob/main/typo3/sysext/%s | EXT:

typo3/sysext/form/Documentation/genindex.rst

-.. include:: /Includes.rst.txt
-
-=====
-Index
-=====
-
-.. Sphinx will insert here the general index automatically.

typo3/sysext/form/Documentation/guides.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<guides xmlns="https://www.phpdoc.org/guides" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://www.phpdoc.org/guides ../vendor/phpdocumentor/guides-cli/resources/schema/guides.xsd" links-are-relative="true">
+  <extension class="\T3Docs\Typo3DocsTheme\DependencyInjection\Typo3DocsThemeExtension" project-home="https://extensions.typo3.org/extension/form/" project-contact="https://typo3.slack.com/archives/C025BQLFA" project-repository="https://github.com/typo3/typo3" project-issues="https://forge.typo3.org/projects/typo3cms-core/issues" edit-on-github-branch="main" edit-on-github="typo3/typo3" edit-on-github-directory="typo3/sysext/form/Documentation/" typo3-core-preferred="stable"/>
+  <project title="Form" release="main (development)" version="main (development)" copyright="since 2011 by the TYPO3 contributors"/>
+  <inventory id="t3coreapi" url="https://docs.typo3.org/m/typo3/reference-coreapi/main/en-us/"/>
+</guides>