Huge improvements for docs (#58)

docs/nginx.conf

@@ -0,0 +1,17 @@
+server {
+    listen       80;
+    server_name  localhost;
+
+    charset utf-8;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    error_page 404 /docs/404.html;
+    error_page 500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+}