Format websocket doc

docs/websockets.md

@@ -6,19 +6,20 @@ You can easily create a websocket handler which matches the route of `ws://host:
 with different routes.
 
 ```ruby
-  ws "/" do |socket|
+ws "/" do |socket|
 
-  end
+end
 
-  ws "/route2" do |socket|
+ws "/route2" do |socket|
 
-  end
+end
 ```
 
 Let's access the socket and create a simple echo server.
 
 ```ruby
-  ws "/" do |socket|
+# Matches "/"
+ws "/" do |socket|
   # Send welcome message to the client
   socket.send "Hello from Kemal!"
 
@@ -31,5 +32,5 @@ Let's access the socket and create a simple echo server.
   socket.on_close do
     puts "Closing socket"
   end
-  end
+end
 ```