ci: add automatic pr labeler (#2912)

* ci: add automatic pr labeler

* ci: add specific pr target types for the labeler

.github/labeler.yml

@@ -0,0 +1,82 @@
+version: v1
+
+labels:
+  - label: 'website'
+    sync: true
+    matcher:
+      files: 'website/**/*'
+
+  - label: 'pkg-all'
+    matcher:
+      files: '*'
+
+  - label: 'pkg-bot'
+    sync: true
+    matcher:
+      files: 'packages/bot/**/*'
+
+  - label: 'pkg-client'
+    sync: true
+    matcher:
+      files: 'packages/client/**/*'
+
+  - label: 'pkg-gateway'
+    sync: true
+    matcher:
+      files: 'packages/gateway/**/*'
+
+  - label: 'pkg-rest'
+    sync: true
+    matcher:
+      files: 'packages/rest/**/*'
+
+  - label: 'pkg-types'
+    sync: true
+    matcher:
+      files: 'packages/types/**/*'
+
+  - label: 'pkg-utils'
+    sync: true
+    matcher:
+      files: 'packages/utils/**/*'
+
+  - label: 't-breaking'
+    matcher:
+      title: "^[a-z]+(\\(.+\\))?!: .*"
+
+  - label: 't-build'
+    matcher:
+      title: "^build(\\(.+\\))?!?: .*"
+
+  - label: 't-ci'
+    matcher:
+      files: '.github/workflows/*'
+      title: '^ci: .*'
+
+  - label: 't-docs'
+    matcher:
+      title: "^docs(\\(.+\\))?!?: .*"
+
+  - label: 't-feat'
+    matcher:
+      title: "^feat(\\(.+\\))?!?: .*"
+
+  - label: 't-fix'
+    matcher:
+      title: "^fix(\\(.+\\))?!?: .*"
+
+  - label: 't-perf'
+    matcher:
+      title: "^perf(\\(.+\\))?!?: .*"
+
+  - label: 't-refactor'
+    matcher:
+      title: "^refactor(\\(.+\\))?!?: .*"
+
+  - label: 't-style'
+    matcher:
+      title: "^refactor(\\(.+\\))?!?: .*"
+
+  - label: 't-test'
+    matcher:
+      title: "^test(\\(.+\\))?!?: .*"

.github/workflows/labeler.yml

@@ -0,0 +1,12 @@
+on:
+  pull_request_target:
+    types: ['edited', 'opened', 'reopened', 'synchronize']
+
+jobs:
+  labeler:
+    name: Labeler
+    runs-on: ubuntu-latest
+    steps:
+      - uses: fuxingloh/multi-labeler@v2
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}