start make tests

mock/mock_app/handlers/handlers_implementation/help_command.py

@@ -0,0 +1,10 @@
+from rich.console import Console
+
+
+console = Console()
+
+
+def help_command():
+    console.print("[italic bold]The main functionality of the script is to convert an expression from a string "
+                  "to a mathematical one and then calculate this expression. "
+                  "Project GitHub: https://github.com/koloideal/WordMath[/italic bold]")