hooks migrate - adding all markdown files for hooks after migration

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

docs/hooks/hook_civicrm_alterMailer.md

docs/hooks/hook_civicrm_alterMailingLabelParams.md

docs/hooks/hook_civicrm_alterMenu.md

docs/hooks/hook_civicrm_alterPaymentProcessorParams.md

docs/hooks/hook_civicrm_alterReportVar.md

docs/hooks/hook_civicrm_alterSettingsFolders.md

docs/hooks/hook_civicrm_alterSettingsMetaData.md

docs/hooks/hook_civicrm_alterTemplateFile.md

docs/hooks/hook_civicrm_angularModules.md

docs/hooks/hook_civicrm_apiWrappers.md