adding action for deployment

added action for deployment on vercel and will fix traceability issue

.github/workflows/explorer.yml

@@ -33,10 +33,13 @@ jobs:
       - run: npm run format
       - run: npm run build
       - run: npm run test
-      - name: checking out
-        uses: actions/checkout@v2
-      - name: Deploying
-        run: source publish.sh
-        env:
-           VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
+      - uses: actions/checkout@v2
+      - uses: amondnet/vercel-action@v20
+        with:
+          vercel-token: ${{ secrets.VERCEL_TOKEN }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          vercel-args: '--prod' #for production
+          vercel-org-id: ${{ secrets.ORG_ID}} 
+          vercel-project-id: ${{ secrets.PROJECT_ID}} 
+          working-directory: ./explorer