Hotfix: Remove extra fields from Workspace response schema

#99: Remove extra fields from response schemas (#101)

* Remove template and template_id from ProjectResponse schema
* Use only active projects in integration tests
* Disable change password integration test because it has crucial consequences
* Remove only_admins_see_billable_rates, is_shared from Workspace response
* Add note about creating venv for local development
* Update nox version to support python 3.13
* Fix test min boundary
* Exclude init files from coverage report

Fix: Remove permissions field from response schemas due to Toggl API …

…changes

Migrate essential logic to API V9

Snapshot of current state without changes

Innitial commit