Steps to get Gemini models in VS Code chat

1) Obtain an API Key via Google AI Studio.

2) Launch VS Code and use Cmd + Ctrl + I to show the Chat window.

3) Click on the model drop-down box and select manage models.

4) Select Gemini and paste your API Key into the box.

5) Once the API key is validated, you can pick models.

6) Press OK to save and the model is ready to use.