Added help message to all cli commands

src/cpl_cli/command/uninstall_service.py

@@ -1,6 +1,7 @@
 import json
 import os
 import subprocess
+import textwrap
 
 from cpl.configuration.configuration_abc import ConfigurationABC
 from cpl.console.console import Console
@@ -31,6 +32,11 @@ class UninstallService(CommandABC):
         self._build_settings = build_settings
         self._project_settings = project_settings
 
+    @property
+    def help_message(self) -> str:
+        return textwrap.dedent("""\
+        """)
+
     def run(self, args: list[str]):
         """
         Entry point of command