Expose hook to log CDP messages

Author: DanielHeath

lib/ferrum/client.rb

@@ -64,7 +64,7 @@ class Client
     delegate %i[timeout timeout=] => :options
 
     attr_reader :ws_url, :options, :subscriber
-
+    attr_accessor :on_syncronous_message
     def initialize(ws_url, options)
       @command_id = 0
       @ws_url = ws_url
@@ -96,6 +96,9 @@ def send_message(message, async:)
         raise TimeoutError unless data
 
         error, response = data.values_at("error", "result")
+        if on_syncronous_message
+          on_syncronous_message.call(message:, error:, response:)
+        end
         raise_browser_error(error) if error
         response
       end