ci: pull request labeler action

Author: sounmind

.github/labeler.yml

@@ -0,0 +1,53 @@
+JavaScript:
+  - "**/*.js"
+
+TypeScript:
+  - "**/*.ts"
+
+Python:
+  - "**/*.py"
+
+Java:
+  - "**/*.java"
+
+C++:
+  - "**/*.cpp"
+
+C:
+  - "**/*.c"
+
+C#:
+  - "**/*.cs"
+
+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 +1,17 @@
+name: "Pull Request Labeler"
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  label:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Check out code"
+        uses: actions/checkout@v3
+
+      - name: "Run Labeler"
+        uses: actions/labeler@v5
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"