feat(server): support 3gpp format (#582)

* feat(server): support 3gpp format

* feat(web): add 3gp ext

* Support 3gp video format.

video/3gpp mimetype added to supported video format.

* feat(mobile): add tif ext

Co-authored-by: Alexandre Bouijoux <alexandre@bouijoux.fr>

mobile/lib/utils/files_helper.dart

@@ -17,6 +17,9 @@ class FileHelper {
       case 'png':
         return {"type": "image", "subType": "png"};
 
+      case 'tif':
+        return {"type": "image", "subType": "tiff"};
+
       case 'mov':
         return {"type": "video", "subType": "quicktime"};
 
@@ -38,6 +41,9 @@ class FileHelper {
       case 'webp':
         return {"type": "image", "subType": "webp"};
 
+      case '3gp':
+        return {"type": "video", "subType": "3gpp"};
+
       default:
         return {"type": "unsupport", "subType": "unsupport"};
     }