ci: pull request labeler action

Author: sounmind

.github/labeler.yml

@@ -0,0 +1,38 @@
+cpp:
+  - "*.cpp"
+java:
+  - "*.java"
+python:
+  - "*.py"
+python3:
+  - "*.py"
+c:
+  - "*.c"
+csharp:
+  - "*.cs"
+javascript:
+  - "*.js"
+typescript:
+  - "*.ts"
+php:
+  - "*.php"
+swift:
+  - "*.swift"
+kotlin:
+  - "*.kt"
+dart:
+  - "*.dart"
+go:
+  - "*.go"
+ruby:
+  - "*.rb"
+scala:
+  - "*.scala"
+rust:
+  - "*.rs"
+racket:
+  - "*.rkt"
+erlang:
+  - "*.erl"
+elixir:
+  - "*.ex"

.github/workflows/pr-labeler.yaml

@@ -0,0 +1,12 @@
+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