Fix mediaLinks

CloudronManifest.json

@@ -30,7 +30,9 @@
   "minBoxVersion": "1.8.1",
   "documentationUrl": "https://cloudron.io/documentation/apps/syncthing/",
   "mediaLinks": [
-    "https://git.cloudron.io/dswd/syncthing-app/raw/master/screenshots/1.jpg"
+    "https://s3.amazonaws.com/cloudron-app-screenshots/net.syncthing.cloudronapp2/53bc9300d71bb5bf32362f8213194a0c3a415429/1.png",
+    "https://s3.amazonaws.com/cloudron-app-screenshots/net.syncthing.cloudronapp2/53bc9300d71bb5bf32362f8213194a0c3a415429/2.png",
+    "https://s3.amazonaws.com/cloudron-app-screenshots/net.syncthing.cloudronapp2/53bc9300d71bb5bf32362f8213194a0c3a415429/3.png"
   ],
   "postInstallMessage": "file://POSTINSTALL.md"
 }