API endpoint outdated - should use /v1.0/generations instead of /v0.2

[cla1redonald]

The Gamma API has sunset the v0.2 endpoint. The server is currently using:
https://public-api.gamma.app/v0.2

But the new API endpoint is:
https://public-api.gamma.app/v1.0/generations

Current error:

Gamma API error (410): {"message":"This endpoint has been sunset. Please use POST /v1.0/generations instead. See https://developers.gamma.app for documentation.","statusCode":410}

Reference:

• New API docs: https://developers.gamma.app/reference
• The POST /v1.0/generations endpoint is documented there

Fix needed:
In src/index.ts, update the GAMMA_API_BASE constant from:

const GAMMA_API_BASE = "https://public-api.gamma.app/v0.2";

To:

const GAMMA_API_BASE = "https://public-api.gamma.app/v1.0";

The endpoints should already work correctly (/generations and /generations/:id) since those are consistent between versions.

Impact:
All current users are unable to generate Gamma presentations via this MCP server until this is fixed.

Temporary workaround:
Users can manually patch the compiled file at dist/index.js in their npx cache, but this will be lost when the cache is cleared.