Quickstart (#1015)

* fix quickstart md

* add quickstart to ci

.github/workflows/test.yml

@@ -49,6 +49,8 @@ jobs:
       run: pip install -e '.[testing]' --extra-index-url https://download.pytorch.org/whl/cpu
     - name: Test Docs
       run: python docs/abstractions.py
+    - name: Test Quickstart
+      run: awk '/```python/{flag=1;next}/```/{flag=0}flag' docs/quickstart.md > quickstart.py && PYTHONPATH=. python3 quickstart.py
     - name: Run Pytest
       run: python -m pytest -s -v -n=auto test/