feat(soundbites): add soundbite list and creation forms with audio-clipper component

app/Database/Migrations/2021-12-09-130000_add_clips.php

app/Entities/Clip/BaseClip.php

app/Helpers/rss_helper.php

app/Models/ClipModel.php

app/Resources/js/admin.ts

app/Resources/js/modules/Soundbites.ts

app/Resources/js/modules/play-soundbite.ts

modules/Admin/Config/Routes.php

modules/Admin/Controllers/EpisodeController.php

modules/Admin/Controllers/SoundbiteController.php

modules/Admin/Controllers/VideoClipsController.php

modules/Admin/Language/en/Episode.php

modules/Admin/Language/en/EpisodeNavigation.php

modules/Admin/Language/en/Soundbite.php

modules/Admin/Language/fr/Episode.php

modules/Admin/Language/fr/EpisodeNavigation.php

modules/Admin/Language/fr/Soundbite.php

themes/cp_admin/episode/_sidebar.php

themes/cp_admin/episode/soundbites.php

themes/cp_admin/episode/soundbites_list.php