Replace binary PWA icons with SVG

app/nginx.conf

@@ -0,0 +1,11 @@
+server {
+  listen 80;
+  server_name localhost;
+
+  root /usr/share/nginx/html;
+  index index.html;
+
+  location / {
+    try_files $uri $uri/ /index.html;
+  }
+}