Fix logo in app.json

app.json

@@ -3,7 +3,7 @@
   "description": "Fast and secure standalone server for resizing and converting remote images.",
   "keywords": ["image", "resize-images", "crop-image", "microservice", "docker", "jpeg", "png", "libvips"],
   "repository": "https://github.com/imgproxy/imgproxy",
-  "logo": "https://raw.githubusercontent.com/imgproxy/imgproxy/master/logo.svg",
+  "logo": "https://cdn.rawgit.com/DarthSim/imgproxy/master/logo.svg",
   "success_url": "/health",
   "stack": "container",
   "env": {