feat: Serve static assets of apps

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

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" aria-label="Twitch" role="img" viewBox="0 0 512 512">
+  <rect width="512" height="512" rx="15%" fill="#fff"/>
+  <path d="m115 101-22 56v228h78v42h44l41-42h63l85-85v-199zm260 185-48 48h-78l-42 42v-42h-65v-204h233zm-48-100v85h-30v-85zm-78 0v85h-29v-85z" fill="#6441a4"/>
+</svg>

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

@@ -1,7 +1,10 @@
-{
+import appInfoType from '../../types/app-info';
+import appConfig from '../../config/app';
+
+const appInfo: appInfoType = {
   "name": "Twitch",
   "key": "twitch",
-  "iconUrl": "https://automatisch.io/apps/twitch.png",
+  "iconUrl": `${appConfig.baseUrl}/apps/twitch/assets/favicon.svg`,
   "docUrl": "https://automatisch.io/docs/twitch",
   "primaryColor": "6441a5",
   "fields": [
@@ -43,3 +46,5 @@
     }
   ]
 }
+
+export default appInfo;