add ci

.github/workflows/black.yml

@@ -0,0 +1,15 @@
+name: Black
+
+on: [push, pull_request]
+
+jobs:
+  black:
+    if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: psf/black@stable
+      with:
+        options: "--check --verbose"
+        version: "24.1.1"

.github/workflows/isort.yml

@@ -0,0 +1,20 @@
+name: Run isort
+on:
+  - push
+
+jobs:
+  isort:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.9
+      - name: Install apt dependencies
+        # Install `libopenmpi` for mpi4py
+        run: |
+          sudo apt update
+          sudo apt install openmpi-bin libopenmpi-dev
+      # Install dependencies for proper 1st/2nd/3rd party import sorting
+      - run: pip install -e .[parallel]
+      - uses: isort/isort-action@master