[WIP] Implementation of Hello World Command in Extension

[Copilot]

Coding agent has begun work on Implementation of Hello World Command in Extension and will replace this description as work progresses.

See problem context

TITLE: Implementation of Hello World Command in Extension
USER INTENT: The user aims to implement a "hello world" command in their extension.
TASK DESCRIPTION: The user is requesting the addition of a simple command that outputs "hello world" when executed within the extension.
EXISTING: The user has repeatedly requested the addition of the hello world command, indicating a consistent focus on this feature.
PENDING: The implementation details and specific code changes for the hello world command have not yet been provided or discussed.
CODE STATE: No specific files or code snippets have been referenced or modified in the conversation.
RELEVANT CODE/DOCUMENTATION SNIPPETS: None provided in the conversation.
OTHER NOTES: The user has made the same request multiple times, suggesting a need for clarity or follow-up on the implementation status.