Use cropped screenshots

CloudronManifest.json

@@ -17,9 +17,9 @@
   "contactEmail": "support@cloudron.io",
   "icon": "logo.png",
   "mediaLinks": [
-    "https://raw.githubusercontent.com/cloudron-io/nodebb-app/e35814fa56fb881d0e28bf71681e63a11bd12740/screenshots/1.png",
-    "https://raw.githubusercontent.com/cloudron-io/nodebb-app/e35814fa56fb881d0e28bf71681e63a11bd12740/screenshots/2.png",
-    "https://raw.githubusercontent.com/cloudron-io/nodebb-app/e35814fa56fb881d0e28bf71681e63a11bd12740/screenshots/3.png"
+    "https://raw.githubusercontent.com/cloudron-io/nodebb-app/480c26ba681780ef1c460c7c34bb117b8ae33227/screenshots/1.png",
+    "https://raw.githubusercontent.com/cloudron-io/nodebb-app/480c26ba681780ef1c460c7c34bb117b8ae33227/screenshots/2.png",
+    "https://raw.githubusercontent.com/cloudron-io/nodebb-app/480c26ba681780ef1c460c7c34bb117b8ae33227/screenshots/3.png"
   ],
   "memoryLimit": 524288000,
   "changelog": "file://CHANGELOG",