Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,59 @@
+on:
+  release:
+    types: [created]
+
+name: Create Release
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2  
+    - name: Cache pip
+      uses: actions/cache@v2
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+    - name: Cache PlatformIO
+      uses: actions/cache@v2
+      with:
+        path: ~/.platformio
+        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
+    - name: Set up Python
+      uses: actions/setup-python@v2
+    - name: Install PlatformIO
+      run: |
+        python -m pip install --upgrade pip
+        pip install --upgrade platformio
+    - name: Enable ESP platforms from platformio_override-template.ini
+      run: |
+        sed 's/; user_setups\/esp/user_setups\/esp/g' platformio_override-template.ini > platformio_override.ini
+    - name: List all files in current folder
+      run: |
+        ls -la
+    - name: Cat platformio_override.ini
+      run: |
+        cat platformio_override.ini
+    - name: Run PlatformIO
+      run: pio run -e d1-mini-esp32_ili9341 -e d1-mini-esp8266_ili9341
+    - name: Upload output file
+      uses: actions/upload-artifact@v2
+      with:
+        name: hasp-lvgl firmware.zip
+        path: build_output/firmware/*.bin
+    - name: Create release and upload firmware
+      run: |
+        set -x
+        assets=()
+        for asset in build_output/firmware/*.bin; do
+          assets+=("-a" "$asset")
+        done
+        tag_name="${GITHUB_REF##*/}"
+        hub release edit "${assets[@]}" -m "$tag_name" "$tag_name"
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}