Fix issues with trailing slashes on example (#61)

* Add rewrite rule for trailing slashes on the example server

* Try just disabling trailingSlash

* Fix root

* Remove useRedirect

* Try another nginx rule

* Use try_files

config/nginx.conf.erb

@@ -33,6 +33,7 @@ http {
 		server_name _;
 		keepalive_timeout 5;
 		client_max_body_size <%= ENV['NGINX_CLIENT_MAX_BODY_SIZE'] || 1 %>M;
+		try_files $uri/index.html $uri $uri/ @notfound;
 
 		root /app/packages/example/public;
 	}