chore(docs): update is_dangerous_command method description (#48)

src/goose/utils/check_shell_command.py

@@ -5,6 +5,8 @@ def is_dangerous_command(command: str) -> bool:
     """
     Check if the command matches any dangerous patterns.
 
+    Dangerous patterns in this function are defined as commands that may present risk to system stability.
+
     Args:
         command (str): The shell command to check.