- Add tasks

- Add check if file exist
- Improved code structure

YesNt.CodeEditor/Program.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace YesNt.CodeEditor
+namespace YesNt.CodeEditor
 {
     internal class Program
     {
@@ -8,7 +6,6 @@ namespace YesNt.CodeEditor
         {
             TextEditor textEditor;
 
-            Console.CancelKeyPress += Console_CancelKeyPress;
             if (args.Length > 0)
             {
                 textEditor = new TextEditor(args[0]);
@@ -20,10 +17,5 @@ namespace YesNt.CodeEditor
 
             textEditor.Run();
         }
-
-        private static void Console_CancelKeyPress(object sender, ConsoleCancelEventArgs e)
-        {
-            e.Cancel = true;
-        }
     }
 }