add chromecast.css to sources.py

backend/sources.py

@@ -38,6 +38,13 @@ try:
 except Exception as e:
     print(e)
 else:
+    try:
+        resp = requests.get(f'https://cdn.jsdelivr.net/npm/@silvermine/videojs-chromecast@{chromecast_version}/dist/silvermine-videojs-chromecast.min.css')
+    except Exception as e:
+        print(e)
+    else:
+        with open("/app/chromecast.css", "w") as f:
+            f.write(resp.text)
     with open("/app/version/chromecast.txt", "w") as f:
         f.write(chromecast_version)