Create label_pr

.github/workflows/label_pr

@@ -0,0 +1,31 @@
+name: Label PR based on Branch Name
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+jobs:
+  label_pr:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+
+      - name: Get Branch Name
+        id: branch_name
+        run: echo "::set-output name=name::$(echo $GITHUB_REF | cut -d'/' -f 3)"
+
+      - name: Label PR
+        uses: actions/github-script@v4
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const branchName = '${{ steps.branch_name.outputs.name }}';
+            const prefix = branchName.split('-')[0];
+            const labelsToAdd = [prefix];
+            await github.issues.addLabels({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              labels: labelsToAdd
+            });