feat: add documentation to readthedocs

Author: DiogoRibeiro7

.github/workflows/test.yml

@@ -28,7 +28,8 @@ jobs:
         run: poetry install
 
       - name: Run tests
-        run: poetry run pytest
+        run: poetry run pytest --cov=gen_surv --cov-report=xml --cov-report=term
+
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5