refactor(web): remove typescript

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
       - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
       - run: echo "🖥️ The workflow is now ready to test your code on the runner."
       - run: yarn --frozen-lockfile
-      - run: yarn lint
+      - run: cd packages/backend && yarn lint
       - run: echo "🍏 This job's status is ${{ job.status }}."
   start-backend-server:
     runs-on: ubuntu-latest