Support airgapped networks

[HKalbasi]

Validations

• [X] I believe this is a way to improve. I'll try to join the Continue Discord for questions
• [X] I'm not able to find an open issue that requests the same enhancement

Problem

I work in a network where there is no access to the internet. When I try to install the extension from the vsix, it fails to initialize because it can't download some files.

Solution

Bundle them in the vsix file, or make features depending on them optional.