filename pattern customization

- added metadata for rutube and vimeo.
- added a picker for preferred filename pattern.
- fixed content disposition header.
- mute and audio dub tags don't appear together in a file name anymore.
- youtube: dub file name tag doesn't appear anymore if audio track is default.

src/modules/processing/services/vine.js

@@ -2,7 +2,11 @@ export default async function(obj) {
     let post = await fetch(`https://archive.vine.co/posts/${obj.id}.json`).then((r) => { return r.json() }).catch(() => { return false });
     if (!post) return { error: 'ErrorEmptyDownload' };
 
-    if (post.videoUrl) return { urls: post.videoUrl.replace("http://", "https://"), filename: `vine_${obj.id}.mp4`, audioFilename: `vine_${obj.id}_audio` };
+    if (post.videoUrl) return {
+        urls: post.videoUrl.replace("http://", "https://"),
+        filename: `vine_${obj.id}.mp4`,
+        audioFilename: `vine_${obj.id}_audio`
+    }
 
     return { error: 'ErrorEmptyDownload' }
 }