enhancement: Add gig mimetype to upload files

Author: gregorybesson

src/server/routes/post-upload.js

@@ -40,9 +40,9 @@ var route = function(req, res, next){
       returnErr('file is too big')
     })
 
-    if (mimetype !== 'image/jpeg' && mimetype !== 'image/png' && mimetype !== 'image/svg+xml' && mimetype !== 'video/mp4') {
+    if (mimetype !== 'image/gif' && mimetype !== 'image/jpeg' && mimetype !== 'image/png' && mimetype !== 'image/svg+xml' && mimetype !== 'video/mp4') {
       returnErr('unauthorized file')
-    } else if (ext !== '.jpg' && ext !== '.jpeg' && ext !== '.png' && ext !== '.svg' && ext !== '.mp4') {
+    } else if (ext !== '.gif' && ext !== '.jpg' && ext !== '.jpeg' && ext !== '.png' && ext !== '.svg' && ext !== '.mp4') {
       returnErr('not a valid asset')
     }