Add PR labeler (#230)

Automatically adds labels to PRs based on the rules in `.github/labeler.yml`

Author: lucacome

.github/labeler.yml

@@ -0,0 +1,17 @@
+enhancement:
+- branch: ['feature/**', 'feat/**', 'enhancement/**', 'enh/**']
+
+bug:
+- branch: ['fix/**', 'bug/**']
+
+chore:
+- branch: ['chore/**']
+
+documentation:
+- branch: ['docs/**', 'doc/**']
+- '**/*.md'
+
+dependencies:
+- branch: ['deps/**', 'dep/**', 'dependabot/**']
+- go.mod
+- go.sum

.github/workflows/labeler.yml

@@ -0,0 +1,14 @@
+name: "Pull Request Labeler"
+on:
+  - pull_request_target
+
+jobs:
+  triage:
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+    - uses: joshdales/labeler@0861fa5accbc36878f85f40b98a9f40b15fe0429 # if https://github.com/actions/labeler/pull/203 is merged, use the official action actions/labeler
+      with:
+        repo-token: "${{ secrets.GITHUB_TOKEN }}"