add basic CI workflow

.github/workflows/ci.yaml

@@ -0,0 +1,39 @@
+name: CI
+
+on:
+    push:
+      branches: 
+        - main
+      tags:
+        - '*'
+    pull_request:
+      branches: 
+        - main
+
+jobs:
+  build:
+
+    runs-on: minafoundation-default-runners
+
+    steps:
+    - name: 📥 Checkout
+      uses: actions/checkout@v4
+
+    - name: 🐍 Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.10
+
+    - name: ⚙️ Install dependencies
+      run: |
+        pip install poetry
+        poetry install
+
+    - name: 🔍 Lint with flake8
+      run: |
+        poetry run flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        poetry run flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+
+    - name: 🧪 Test
+      run: |
+        poetry run pytest