Create /profile/{nickname}/photos route

- Create new Profile\Photos\Index module class
- Update most references of the legacy /photos/{nickname} route

src/Module/Settings/Profile/Photo/Index.php

@@ -132,7 +132,7 @@ class Index extends BaseSettings
 				DI::l10n()->t('or'),
 				($newuser) ?
 					'<a href="' . DI::baseUrl() . '">' . DI::l10n()->t('skip this step') . '</a>'
-					: '<a href="' . DI::baseUrl() . '/photos/' . DI::app()->getLoggedInUserNickname() . '">'
+					: '<a href="' . DI::baseUrl() . '/profile/' . DI::app()->getLoggedInUserNickname() . '/photos">'
 						. DI::l10n()->t('select a photo from your photo albums') . '</a>'
 			),
 		]);