Add SFW content mode option (#6262)

* Use more neutral language for content
* Add sfw mode setting
* Make configuration context mandatory
* Add sfw class when sfw mode active
* Hide nsfw performer fields in sfw mode
* Hide nsfw sort options
* Hide nsfw filter/sort options in sfw mode
* Replace o-count with like counter in sfw mode
* Use sfw label for o-counter filter in sfw mode
* Use likes instead of o-count in sfw mode in other places
* Rename sfw mode to sfw content mode
* Use sfw image for default performers in sfw mode
* Document SFW content mode
* Add SFW mode setting to setup
* Clarify README
* Change wording of sfw mode description
* Handle configuration loading error correctly
* Hide age in performer cards

internal/api/resolver_query_configuration.go

@@ -162,6 +162,7 @@ func makeConfigInterfaceResult() *ConfigInterfaceResult {
 	disableDropdownCreate := config.GetDisableDropdownCreate()
 
 	return &ConfigInterfaceResult{
+		SfwContentMode:               config.GetSFWContentMode(),
 		MenuItems:                    menuItems,
 		SoundOnPreview:               &soundOnPreview,
 		WallShowTitle:                &wallShowTitle,