add labeler (#31)

.github/labeler.yml

@@ -0,0 +1,19 @@
+data-submission:
+  - changed-files:
+    - any-glob-to-any-file:
+      - 'model-output/**/*.csv'
+
+model-metadata:
+  - changed-files:
+    - any-glob-to-any-file:
+      - model-metadata/**/*.yml
+      - model-metadata/**/*.yaml
+
+documentation:
+  - changed-files:
+    - any-glob-to-any-file: '**/*.md'
+
+configuration:
+  - changed-files:
+    - any-glob-to-any-file:
+      - hub-config/*

.github/workflows/labeler.yaml

@@ -0,0 +1,18 @@
+name: Pull Request Labeler
+on:
+  pull_request_target:
+    types: [opened, synchronize]
+
+jobs:
+  labeler:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Apply labels
+        id: label-pr
+        uses: actions/labeler@v5
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"
+          configuration-path: '.github/labeler.yml'
+          sync-labels: true