Merge pull request #78 from bento-platform/add-CI-lint

add lint.yml

.github/workflows/lint.yml

@@ -0,0 +1,21 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        name: Set up Python
+        with:
+          python-version: "3.10"
+      - name: Install black
+        run: python -m pip install black
+      - name: Run linter
+        run: black --check --line-length=120 ./bento_beacon