Add pre-commit config

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  # GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      actions:
+        patterns:
+          - "*"

.github/workflows/test.yml

@@ -0,0 +1,24 @@
+name: Tests
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+concurrency:
+  group: test-${{ github.ref }}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: bash -eux {0}
+
+jobs:
+  pre_commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+      - uses: pre-commit/action@v3.0.1
+        with:
+            extra_args: --all-files --hook-stage manual

.pre-commit-config.yaml

@@ -0,0 +1,29 @@
+
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.4.0
+  hooks:
+  - id: check-added-large-files
+  - id: check-case-conflict
+  - id: check-yaml
+  - id: trailing-whitespace
+
+# We use the Python version instead of the original version which seems to require Docker
+# https://github.com/koalaman/shellcheck-precommit
+- repo: https://github.com/shellcheck-py/shellcheck-py
+  rev: v0.9.0.6
+  hooks:
+    - id: shellcheck
+      name: shellcheck
+      args: ["--severity=warning"]
+      stages: [manual]
+
+- repo: https://github.com/sirosen/check-jsonschema
+  rev: 0.28.3
+  hooks:
+    - id: check-github-actions
+      files: >
+        (?x)^(
+          (.+/)?action\.(yml|yaml)
+        )$
+    - id: check-dependabot