[FEATURE] make open source

[codekiln]

Cool idea for an extension! Unfortunately, if this isn't open source, I can't trust it.

Is your feature request related to a problem? Please describe.
Given that this project involves private resources, the VS Code extension should be open source so users can review the source code and its security.

Describe the solution you'd like
Make the cursormate VS Code extension source code open source

[dafurman]

+1
I appreciate the claim in the marketplace listing, but without a way to validate it, use beyond toy projects doesn't seem wise.

🔒 Privacy
CursorMate does not store any data in the cloud. All resources are saved locally in your workspace.

Tokens are securely stored in the [VS Code secrets store](https://code.visualstudio.com/api/references/vscode-api#SecretStorage).