upload artifact

Author: zivillian

.github/workflows/main.yml

@@ -28,4 +28,9 @@ jobs:
         python -m pip install --upgrade pip
         pip install --upgrade platformio
     - name: Run PlatformIO
-      run: pio run -e esp32dev
+      run: pio run -e esp32dev
+    - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: image
+          path: .pio/build/esp32dev/firmware.bin