This PR updates the extensions list to display the features that an
extension provides.

<img width="1309" alt="Screenshot 2025-02-05 at 4 12 07 PM"
src="https://github.com/user-attachments/assets/ff0c61cd-b7fe-49c3-9fc8-a0ab6b0511a6"
/>

Note that this will only show up for extensions that have this data
(which will be extensions published/updated on or after now).

Here's the view with some mocked data:

<img width="1309" alt="Screenshot 2025-02-05 at 4 01 56 PM"
src="https://github.com/user-attachments/assets/d6d6a818-d6ac-4162-9309-95472b17833a"
/>

Release Notes:

- N/A