Use platforms' native keychains for caching tokens rather than config.json

[armarti]

All new-ish versions of macOS / Windows / Linux have some convenient and free way of securely storing credentials, either included with the OS or easily installable. It'd be neat to use those instead of caching tokens in config.json.

[armarti]

Or perhaps you could just build one solid integration with pass since it works for Windows too.

[b1tninja]

Definitely. I was looking at keyring it would support Windows Credential Manager, MacOS Keychain, and Freedesktop SecretService