feat: pr title checker (#843)

* feat: pr title checker

* fix: update ci trigger scope

.github/pr-title-checker-config.json

@@ -0,0 +1,15 @@
+{
+  "LABEL": {
+    "name": "title needs formatting",
+    "color": "EEEEEE"
+  },
+  "CHECKS": {
+    "prefixes": ["fix: ", "feat: ", "refactor: ", "chore: "],
+    "regexp": "docs\\(v[0-9]\\): "
+  },
+  "MESSAGES": {
+    "success": "PR title OK",
+    "failure": "Failing CI test",
+    "notice": ""
+  }
+}

.github/workflows/pr-title-check.yml

@@ -0,0 +1,19 @@
+name: "PR Title Checker"
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - synchronize
+      - labeled
+      - unlabeled
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: thehanimo/[email protected]
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          pass_on_octokit_error: false
+          configuration_path: .github/pr-title-checker-config.json #(optional. defaults to .github/pr-title-checker-config.json)