Use a simpler nginx.conf in dev

conf/dev.nginx.conf

@@ -0,0 +1,33 @@
+worker_processes  1;
+error_log logs/error.log;
+
+events {
+    worker_connections 1024;
+}
+
+http {
+    server {
+        listen 80;
+
+        include mime.types;
+        charset utf-8;
+        default_type text/html;
+
+        try_files $uri $uri/ $uri.html =404;
+
+        # return `/posts/index.html` from `/posts`
+        location = /posts {
+            rewrite ^ /posts/ break;
+        }
+
+        # redirect requests ending in a forward slash
+        location ~ ^/(.+)/$ {
+            return 301 /$1;
+        }
+
+        location /css {
+            expires 1h;
+            alias css;
+        }
+    }
+}