docs: new repo URL (andrew/...), requirements.txt, pytest smoke tests + CI

.github/workflows/ci.yml

@@ -0,0 +1,17 @@
+name: ci
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  smoke:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+      - run: pip install numpy python-dotenv pytest
+      - run: python -m pytest tests/ -q
+      - run: python -m compileall -q src/ counter_dashboard.py