chore: restore missing baseline workflow and governance files (#32)

Co-authored-by: Zach Gonser <zachgonser@Zachs-Mac-Studio.local>

Author: zachyzissou

.github/workflows/baseline-python-ci.yml

@@ -0,0 +1,34 @@
+name: baseline-python-ci
+
+on:
+  push:
+    branches: ['main', 'master']
+  pull_request:
+    branches: ['main', 'master']
+
+jobs:
+  baseline-python:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          if [ -f requirements.txt ]; then
+            pip install -r requirements.txt
+          else
+            echo "No requirements.txt; skipping dependency install."
+          fi
+          pip install ruff pytest
+      - name: Lint
+        run: ruff check .
+      - name: Test
+        run: |
+          if [ -f pyproject.toml ] || [ -d tests ] || find . -name '*_test.py' | grep -q .; then
+            pytest -q
+          else
+            echo "No tests found; skipping."
+          fi