add label to PR Automatically (microsoft#1393)

* auto_add_label

* add md file to rule

* change name and rules

* change_label_name

* change_rule_syntax

* change match rule

* change label name

Author: SunsetWolf

.github/labeler.yml

@@ -0,0 +1,7 @@
+documentation:
+- 'docs/**/*'
+- '*/**/*.md'
+- '*.md'
+
+waiting for triage:
+- all: ['!docs/**/*', '!*/**/*.md', '!*.md']

.github/workflows/labeler.yml

@@ -0,0 +1,14 @@
+name: "Add label automatically"
+on:
+- pull_request_target
+
+jobs:
+  triage:
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/labeler@v4
+      with:
+        repo-token: "${{ secrets.GITHUB_TOKEN }}"