🛸 Adds embedded build workflow

.github/workflows/embedded-build.yml

@@ -0,0 +1,38 @@
+name: PlatformIO CI
+
+on:
+  push:
+    branches: [ master ]
+    paths:
+        - 'esp32/**'  
+  pull_request:
+    branches: [ master ]
+    paths:
+        - 'esp32/**'  
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/pip
+            ~/.platformio/.cache
+          key: ${{ runner.os }}-pio
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+      - name: Install PlatformIO Core
+        run: pip install --upgrade platformio
+
+      - name: Build PlatformIO Project
+        run: pio run -d esp32/
+
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: build-artifacts
+          path: esp32/.pio/build/**