Added labeler workflow

.github/labeler.yml

@@ -0,0 +1,56 @@
+# Label PRs based on the paths of files being changed
+
+'documentation':
+  - '**/*.md'
+  - 'docs/**/*'
+
+'dependencies':
+  - '**/composer.json'
+  - '**/composer.lock'
+  - '**/package.json'
+  - '**/package-lock.json'
+
+'frontend':
+  - 'css/**/*'
+  - 'js/**/*'
+  - 'img/**/*'
+  - 'fonts/**/*'
+  - '**/*.css'
+  - '**/*.js'
+  - '**/*.html'
+
+'backend':
+  - 'openml_OS/**/*.php'
+  - 'system/**/*'
+
+'database':
+  - 'data/sql/**/*'
+  - '**/*.sql'
+
+'docker':
+  - 'docker/**/*'
+  - 'Dockerfile'
+  - 'docker-compose.yml'
+
+'ci/cd':
+  - '.github/**/*'
+
+'api':
+  - 'openapi/**/*'
+  - '**/*swagger*'
+  - '**/api/**/*'
+
+'security':
+  - '**/security/**/*'
+  - '.github/workflows/security.yml'
+
+'tests':
+  - '**/*test*'
+  - '**/*spec*'
+
+'configuration':
+  - '**/*.conf'
+  - '**/*.config'
+  - '**/*.yaml'
+  - '**/*.yml'
+  - '**/*.json'

.github/workflows/labeler.yml

@@ -0,0 +1,57 @@
+# This workflow automatically labels pull requests based on the files changed
+#
+# Labels help organize and categorize PRs for easier review and tracking.
+# The labeling rules are defined in .github/labeler.yml
+
+name: 'Auto Label PRs'
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  label:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Run Labeler
+        uses: actions/labeler@v5
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          configuration-path: .github/labeler.yml
+          sync-labels: true
+
+  size-label:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+
+    steps:
+      - name: Add Size Labels
+        uses: codelytv/pr-size-labeler@v1
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          xs_label: 'size/xs'
+          xs_max_size: 10
+          s_label: 'size/s'
+          s_max_size: 100
+          m_label: 'size/m'
+          m_max_size: 500
+          l_label: 'size/l'
+          l_max_size: 1000
+          xl_label: 'size/xl'
+          fail_if_xl: false
+          message_if_xl: >
+            This PR is extremely large. Consider splitting it into smaller PRs for easier review.
+          files_to_ignore: |
+            package-lock.json
+            composer.lock
+            *.min.js
+            *.min.css