Release version for TYPO3 9 and 10 [TASK] Add additional_tca support [TASK] Optimize page title provider configuration [TASK] Add extra tags in composer.json [TASK] Preparation for migration to TYPO3 10 [TASK] Refactor TypoScript constants [TASK] Add optional check box for preview/og-tag image [TASK] Remove deprecated functions [TASK] Remove realurl auto configuration hook [TASK] Rise version for migrating to TYPO3 9-10