ci: Add 'labeler' workflow

.github/labeler.yml

@@ -0,0 +1,17 @@
+# yaml-language-server: $schema=https://json.schemastore.org/pull-request-labeler.json
+
+docs:
+  - changed-files:
+    - any-glob-to-any-file: 'docs/*'
+
+enhancement:
+  - head-branch: ['^feat\(', '^feat:']
+
+bug-fix:
+  - head-branch: ['^fix\(', '^fix:']
+
+build:
+  - changed-files:
+    - any-glob-to-any-file:
+      - .build/*
+      - .github/workflows/*

.github/workflows/labeler.yml

@@ -0,0 +1,13 @@
+name: "Pull Request Labeler"
+
+on:
+  - pull_request_target
+
+jobs:
+  labeler:
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/labeler@v5