feat: add nginx media & cdn from web1

roles/docker-deployments/files/cdn.conf

@@ -0,0 +1,16 @@
+server {
+    autoindex on;
+    autoindex_localtime on;
+
+    listen 5051;
+    root /var/www/cdn/;
+
+    add_header Vary Accept-Encoding;
+    add_header Access-Control-Allow-Origin $http_origin;
+
+    location /videos/{
+        default_type video/mp4;
+        limit_rate 2m;
+        autoindex on;
+    }
+}