pass headers to coder api

[Liorba]

Hello coder team!
Our coder deployment is put behind a vpn so in order to send api calls to our control plan every request needs to have additional header holding our vpn session token.

in the vscode-coder code base, I noticed the user of axios, which can accept additional headers.
The problem resides in the fact that some of the api called are in the coder codebase and I'm not sure what's the preferred way to propagate those headers to the axios client in the coder coder base.

please advice on the preferred path and I'll be happy contribute!

[kylecarbs]

We can certainly do this!

Would having a VS Code setting that allows the configuration of additional headers solve this? Then we can just set the global headers in Axios on change.

[Liorba]

@kylecarbs I've added support for VPN headers in #81

[code-asher]

I accidentally closed this with some bad wording in the Coder PR, still need to merge in the plugin PR for this to be complete.