Merge branch 'master' into lifecycle-cleanup

content-migration/hooks/fetch-wiki-caches

content-migration/hooks/hooks-by-category.php

content-migration/hooks/migrate-hooks

content-migration/hooks/print-nav-yaml

content-migration/hooks/print-redirects

content-migration/hooks/wiki_cache/.gitignore

docs/develop.md

docs/extensions/civix.md

docs/hooks-db.md

docs/hooks.md

docs/hooks/hook_civicrm_aclGroup.md

docs/hooks/hook_civicrm_aclWhereClause.md

docs/hooks/hook_civicrm_alterAPIPermissions.md

docs/hooks/hook_civicrm_alterBadge.md

docs/hooks/hook_civicrm_alterBarcode.md

docs/hooks/hook_civicrm_alterCalculatedMembershipStatus.md

docs/hooks/hook_civicrm_alterContent.md

docs/hooks/hook_civicrm_alterLogTables.md

docs/hooks/hook_civicrm_alterMailContent.md

docs/hooks/hook_civicrm_alterMailParams.md