Fix some MissingDocblockType or InvalidDocblock warnings.

apps/accessibility/lib/Controller/ConfigController.php

apps/dav/lib/CalDAV/Schedule/Plugin.php

apps/dav/lib/CardDAV/AddressBookImpl.php

apps/dav/lib/CardDAV/PhotoCache.php

apps/dav/lib/Connector/Sabre/FilesPlugin.php

apps/encryption/lib/HookManager.php

apps/files/lib/Controller/ApiController.php

apps/files/templates/index.php

apps/files/templates/recentlist.php

apps/files_external/lib/Command/ListCommand.php

apps/files_external/lib/Service/UserTrait.php

apps/files_external/templates/list.php

apps/files_sharing/lib/Controller/ShareAPIController.php

apps/files_sharing/lib/Controller/ShareesAPIController.php

apps/files_sharing/lib/Helper.php

apps/files_sharing/lib/SharedMount.php

apps/files_sharing/templates/list.php

apps/files_sharing/templates/public.php