[i18n] Add the Occitan locale (#2110)

* Create oc.php

L27 : ajout de l’occitan

* Create admin.php

* Create conf.php

* Create feedback.php

* Create gen.php

* Create index.php

* Create install.php

* Create sub.php

* Delete conf.php

* Create conf.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update gen.php

* Update oc.php

* Update admin.php

* Update conf.php

* Update feedback.php

* Update gen.php

* Update index.php

* Update install.php

* Update sub.php

* Update oc.php
This commit is contained in:
Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f