issue #33: add deployment file

.github/workflows/workflow-vercel-deployment.yml

@@ -0,0 +1,42 @@
+name: Vercel Preview Deployment
+
+env:
+  VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
+  VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
+
+on:
+    workflow_call:
+
+permissions:
+    checks: read
+    contents: read
+    pull-requests: write
+
+jobs:
+  Deploy-Preview-and-Comment:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Vercel CLI
+        run: npm install --global vercel@latest
+      - name: Pull Vercel Environment Information
+        run: vercel pull --yes --environment=preview --token=${{ secrets.VERCEL_TOKEN }}
+      - name: Build Project Artifacts
+        run: vercel build --token=${{ secrets.VERCEL_TOKEN }}
+      - name: Deploy Project Artifacts to Vercel
+        run: vercel deploy --prebuilt --token=${{ secrets.VERCEL_TOKEN }}
+
+      - name: vercel-preview-url
+        uses: zentered/vercel-preview-url@v1.0.0
+        id: vercel_preview_url
+        env:
+            VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
+        with:
+            vercel_team_id: ${{ secrets.VERCEL_ORG_ID }}
+            vercel_project_id: ${{ secrets.VERCEL_PROJECT_ID }}
+
+      - name: Comment on PR
+        uses: JoseThen/comment-pr@v1.2.0
+        with:
+            comment: ${{ steps.vercel_preview_url.outputs}}
+            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}