Command for rendering:
./Build/Scripts/runTests.sh -s docsGenerate
or just:
composer docs:generate
The reference to the TYPO3 Documentation Rendering Guide was adjusted as the Quickstart page does not exist anymore.
Additionally, the genindex isn't supported anymore. It is planned to consider the `index` directive in the global search on docs.typo3.org.
Resolves: #1189
