Show comments in the Comments pane

[carpentern]

🧩 Feature

Use VSCode Comments pane

Similar to https://github.com/microsoft/vscode-extension-samples/tree/main/comment-sample.

If the code-review.csv file is present and has content, to spawn a comment controller and populate the Comments pane.

[d-koppenhagen]

Hey, I am not actively maintaining this project anymore. Feel free to send me a PR with an implementation suggestion.