Add debugging info

Author: hendychua

.github/workflows/nextjs.yml

@@ -65,7 +65,10 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-
       - name: Install dependencies
-        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
+        run: |
+          pwd
+          ls -la
+          ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
       - name: Build with Next.js
         run: ${{ steps.detect-package-manager.outputs.runner }} next build
       - name: Upload artifact