add: docker folder for image build

docker/nginx.conf

@@ -0,0 +1,26 @@
+map $http_accept_language $lang {
+	default en;
+	~fr fr;
+}
+
+server {
+    listen 80;
+    server_name _;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Redirect users to their language home page
+    rewrite ^/$ /$lang/ redirect;
+
+    location / {
+        try_files $uri $uri/ =404;
+    }
+
+    # Custom 404 page
+    error_page 404 /$lang/404.html;
+    location = /$lang/404.html {
+        internal;
+    }
+}
+