Show hotkeys log on proxy start and after clear screen (#592)

* Show hotkeys log on proxy start and after clear screen. Extract common method for hotkeys logging

* Use Console output to show messages in terminal if logger will be different in future

* Update ProxyEngine.cs

* Update ProxyEngine.cs

---------

Co-authored-by: Waldek Mastykarz <[email protected]>

Author: oleguchok

dev-proxy/ProxyEngine.cs

@@ -150,7 +150,7 @@ public async Task Run(CancellationToken? cancellationToken)
             _logger.LogInformation("Configure your application to use this proxy's port and address");
         }
 
-        _logger.LogInformation("Press CTRL+C to stop Dev Proxy\r\n");
+        PrintHotkeys();
         Console.CancelKeyPress += Console_CancelKeyPress;
 
         if (_config.Record)
@@ -237,8 +237,7 @@ private void ReadKeys()
             if (key == ConsoleKey.C)
             {
                 Console.Clear();
-                Console.WriteLine("Press CTRL+C to stop Dev Proxy");
-                Console.WriteLine("");
+                PrintHotkeys();
             }
             if (key == ConsoleKey.W)
             {
@@ -590,4 +589,11 @@ Task OnCertificateSelection(object sender, CertificateSelectionEventArgs e)
         // set e.clientCertificate to override
         return Task.CompletedTask;
     }
+    
+    private void PrintHotkeys()
+    {
+        Console.WriteLine("Hotkeys: (r)ecord, (s)top recording, (c)lear screen");
+        Console.WriteLine("Press CTRL+C to stop Dev Proxy");
+        Console.WriteLine("");
+    }
 }