Bunch of changes, like a lot

packaging/plugin-catalog.json

@@ -1,6 +1,6 @@
 {
   "schema_version": 1,
-  "engine_version": "0.3.0",
+  "plugin_api_version": 2,
   "plugins": [
     { "id": "ffmpeg-audio", "package": "convertis-ffmpeg-audio" },
     { "id": "ffmpeg-video", "package": "convertis-ffmpeg-video" },