Replace browsercookie -> browser_cookie3

Update testing python versions

Fix typing for optional types and use None by default

Support on-premise overleaf instances (#5)

* feat: allow custom domain

* fix: dot host typo in `_webapi.Api.dot_host`
- rename `root_domain` to `host`

Fix load_from_cookies error

Filter get_projects, by default only return non-trashed non-archived

Remove SSL verify warning

Add support for login from cookies

Initial commit