TASK
Update requirements, require TYPO3 12 or 13, drop TYPO3 11
Make DistanceSearch feature compatible with TYPO3 13
Add type declarations in NoResultsHandler
Make “Did you mean” feature compatible with TYPO3 13
Make it possible to disable “Did you mean” via TypoScript
Make Sphinx you mean” feature compatible with TYPO3 13
Make Autocomplete feature compatible with TYPO3 13
Make Synonym feature compatible with TYPO3 13
Make Remote Indexer feature compatible with TYPO3 13
Make Custom Ranking feature compatible with TYPO3 13
Make Boost Keywords feature compatible with TYPO3 13
Make Headless feature compatible with TYPO3 13
Make In-Word-Search feature compatible with TYPO3 13
DOCS
Update documentation on “Did you mean” feature
Update documentation on Sphinx feature
Update documentation on Autocomplete feature
Update documentation on Synonym feature
Update documentation on Remote Indexer feature
Update documentation on Custom Ranking feature
Update documentation on Boost Keywords feature
Update documentation on Headless feature
Update documentation on In-Word-Search feature
BUGFIX
Fix index so that sphinxLimit setting is visible in the extension manager