Add Gitlab CI pipeline

.gitlab-ci.yml

@@ -4,12 +4,10 @@ stages:
   - test
 
 before_script:
-  # Upgrade pip just in case
   - python -m pip install --upgrade pip
-  # Install uv
   - pip install uv
-  # Install your project in editable mode
-  - uv pip install -e .
+  # Install dependencies system-wide (no venv)
+  - uv pip install -e . --system
 
 test:
   stage: test