chore: add commitlint

Author: cwillisf

.github/workflows/commitlint.yml

@@ -0,0 +1,9 @@
+name: Lint commit messages
+on: [pull_request]
+
+jobs:
+  commitlint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: wagoid/commitlint-github-action@5ce82f5d814d4010519d15f0552aec4f17a1e1fe # v5

commitlint.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+    extends: ['@commitlint/config-conventional'],
+    ignores: [message => message.startsWith('chore(release):')]
+};