Add CI workflow for tests and linting

Author: ayush585

.github/workflows/ci.yml

@@ -0,0 +1,42 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+          cache: 'pip'
+          cache-dependency-path: 'pyproject.toml'
+      - name: Install dependencies
+        run: |
+          pip install . flake8 black mypy
+      - name: flake8
+        run: flake8 .
+      - name: black
+        run: black --check .
+      - name: mypy
+        run: mypy .
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+          cache: 'pip'
+          cache-dependency-path: 'pyproject.toml'
+      - name: Install dependencies
+        run: |
+          pip install . pytest
+      - name: pytest
+        run: pytest