feat: Serve static assets of apps

packages/backend/src/apps/flickr/assets/favicon.svg

@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" aria-label="Flickr" role="img" viewBox="0 0 512 512">
+  <rect width="512" height="512" rx="15%" fill="#fff"/>
+  <circle cx="157" cy="256" fill="#0063dc" r="79"/>
+  <circle cx="355" cy="256" fill="#ff0084" r="79"/>
+</svg>

packages/backend/src/apps/flickr/info.ts

@@ -1,7 +1,10 @@
-{
+import appInfoType from '../../types/app-info';
+import appConfig from '../../config/app';
+
+const appInfo: appInfoType = {
   "name": "Flickr",
   "key": "flickr",
-  "iconUrl": "https://automatisch.io/apps/flickr.png",
+  "iconUrl": `${appConfig.baseUrl}/apps/flickr/assets/favicon.svg`,
   "docUrl": "https://automatisch.io/docs/flickr",
   "primaryColor": "000000",
   "fields": [
@@ -113,3 +116,5 @@
     }
   ]
 }
+
+export default appInfo;