ci: configure pre-commit

.github/workflows/pre-commit.yaml

@@ -0,0 +1,21 @@
+name: pre-commit
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.9"
+
+      - name: Pre-commit
+        uses: pre-commit/[email protected]

.pre-commit-config.yaml

@@ -0,0 +1,17 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: check-json
+      - id: pretty-format-json
+        args:
+          - "--autofix"
+          - "--indent=2"
+          - "--no-sort-keys"
+      - id: check-yaml
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+  - repo: https://github.com/psf/black
+    rev: 24.3.0
+    hooks:
+      - id: black

bal_addresses/requirements-dev.txt

@@ -2,3 +2,4 @@ pytest-mock
 responses
 pytest-cov
 pytest==7.4.0
+pre-commit