monolang: add

Added mkdocs-git build files for monolang version.

monolang/default.conf.env

@@ -0,0 +1,15 @@
+server {
+    listen $PORT;
+    listen [::]:${PORT};
+    server_name localhost;
+
+    location / {
+        root /usr/share/nginx/html;
+        index index.html index.htm;
+    }
+
+    error_page 500 502 503 504 /50x.html;
+    location = /50.html {
+        root /usr/share/nginx/html;
+    }
+}