Cleaned up rust_crud_api library

django_project/django_project/urls.py

django_project/myapp/templates/myapp/group_create.html

django_project/myapp/templates/myapp/group_delete.html

django_project/myapp/templates/myapp/group_list.html

django_project/myapp/templates/myapp/group_update.html

django_project/myapp/views.py

rust_crud_api/src/auth/jwt.rs

rust_crud_api/src/auth/mod.rs

rust_crud_api/src/auth/password.rs

rust_crud_api/src/db/groups.rs

rust_crud_api/src/db/init.rs

rust_crud_api/src/db/mod.rs

rust_crud_api/src/db/users.rs

rust_crud_api/src/lib.rs

rust_crud_api/src/models/group.rs

rust_crud_api/src/models/mod.rs

rust_crud_api/src/models/user.rs