feat: add settings for names of auth header and auth cookie (#24)

* feat: add settings for names of auth header and auth cookie

* test: coverage options method

* doc: describe the usage of verify via cookie

feat: support python 3.12 (#20)

chore: update readme (#17)

* chore: update readme

* fix: authuser is not compatible with Django admin

support test accounts (#7)

`export EMAIL_TEST_ACCOUNT_a_at_test_com=123456` then (pretend) send
email to `[email protected]`, verify token using the preset value `123456`.

update readme

fix: UNIQUE constraint failed: auth_user.username (#3)

passwordless login system with jwt