move ESP32 device dashboard -> tutorials

.github/workflows/nightly.yml

@@ -425,13 +425,14 @@ jobs:
       fail-fast: false
       matrix:
         example:
-          - path: esp32/device-dashboard
+          - path: esp32
     name: ${{ matrix.example.path }}
     steps:
       - uses: actions/checkout@v4
         with: { fetch-depth: 2 }
       - run: echo # nothing specific to install or do
-      - run: make -C examples/${{ matrix.example.path }} build
+      - run: make -C tutorials/http/device-dashboard/${{ matrix.example.path }} build
+
 
   device_dashboard_examples_arm:
     runs-on: ubuntu-latest