Add README & deployment examples

deployment/nginx.conf

@@ -0,0 +1,12 @@
+server {
+        listen 80;
+        listen [::]:80;
+        server_name ledger.example.com;
+
+        location / {
+                auth_basic "private zone";
+                auth_basic_user_file /etc/nginx/myusers;
+
+                proxy_pass http://127.0.0.1:8000;
+        }
+}