add: setup github actions

.github/workflows/black.yml

@@ -0,0 +1,18 @@
+name: black format
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Setup python and black formatter
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v3
+      with:
+        python-version: 3.x
+    - run: pip install --upgrade pip
+    - run: pip install "black<24"
+
+    - name: Format with black
+      run: |
+        black --diff --check $(git ls-files '*.py')

.github/workflows/mypy.yml

@@ -0,0 +1,25 @@
+name: mypy check
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11"]
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v3
+      with:
+        python-version: 3.x
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install mypy
+
+    - name: Type check with mypy
+      run: |
+        mypy --strict $(git ls-files '*.py')

.github/workflows/ruff.yml

@@ -0,0 +1,8 @@
+name: ruff lint
+on: [ push, pull_request ]
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: chartboost/ruff-action@v1