Add dependabot auto-merge workflow

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,28 @@
+name: Dependabot auto-merge
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  dependabot-auto-merge:
+    runs-on: ubuntu-latest
+
+    if: github.event.pull_request.user.login == 'dependabot[bot]' && github.repository == 'ittuann/Route2CIDR'
+
+    steps:
+      - name: Dependabot metadata
+        id: dependabot-metadata
+        uses: dependabot/fetch-metadata@v2
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: Enable auto-merge for Dependabot PRs
+        if: ${{ steps.dependabot-metadata.outputs.update-type == 'version-update:semver-patch' || steps.dependabot-metadata.outputs.update-type == 'version-update:semver-minor' }}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}

.gitignore

@@ -1,3 +1,5 @@
+.vscode
+
 node_modules/
 .eslintcache