Makes dynamic configuration work in production

If a static file is mounted in the Docker image, it will be read at
each page load and sent to the client.

static/config.yml

@@ -0,0 +1,14 @@
+title: 'Hello World !!'
+subtitle: 'actually, I am a new pilot.'
+
+services:
+  - title: '/Cloud'
+    subtitle: 'Private Cloud Utilities'
+    icon: 'fas fa-cloud'
+    items:
+      - title: 'NAS'
+        subtitle: 'Network Attached Storage'
+        icon: 'fas fa-hard-drive'
+        target: '_blank'
+        url: '/NAS'
+        keywords: 'cloud storage files'