Added a github workflow

.github/workflows/ci.yml

@@ -0,0 +1,63 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+
+defaults:
+  run:
+    working-directory: ./
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.11
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install poetry
+          poetry install
+
+      - name: Run tests and collect coverage
+        run: |
+          poetry run coverage run -m pytest .
+          poetry run coverage report -m
+        env:
+          CI: true
+
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.11
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install poetry
+          poetry install
+
+      - name: Check code formatting with Ruff
+        run: poetry run ruff format --check .
+
+      - name: Run Ruff linters
+        run: poetry run ruff check .
+
+      - name: Type checking with mypy
+        run: poetry run mypy