Create build_firmware.yml

.github/workflows/build_firmware.yml

@@ -0,0 +1,40 @@
+name: Build Firmware
+
+on: 
+  release:
+    types: [published]
+  push:
+    branches: 
+      - master
+
+#  schedule:
+#    - cron: 0 8 * * 5
+#  watch:
+#    types: [started]
+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@master
+
+    - name: Set up Python
+      uses: actions/setup-python@v1
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install platformio
+
+    - name: Run PlatformIO
+      run: |
+        cd /home/runner/work/esp_dc1/esp_dc1
+        platformio run 
+
+    - name : Upload artifact
+      uses: actions/upload-artifact@master
+      with:
+        name: firmware
+        path: /home/runner/work/esp_dc1/esp_dc1/.pio/build/dc1/firmware.bin