* Add magic link email sign-in option
* Adding backend routes and model changes to keep state of email verification code and status
* Test and fix end to end email verification flow
* Add documentation for how to use the magic link sign-in when self-hosting Khoj
* Add magic link sign in to public conversation page
Previous cross-encoder model was a few years old, newer models should
have improved in quality. Model size increases by 50% compared to
previous for better performance, at least on benchmarks
- How to pip install khoj to run offline chat on GPU
After migration to llama-cpp-python more GPU types are supported but
require build step so mention how
- New default offline chat model
- Where to get supported chat models from on HuggingFace
* Add a page about privacy and organize some of the documentation
* Add notice about telemetry
* Improve copy for privacy section, link to telemetry section
