Enhance Arduino build jobs in build.yml

Enhanced `build-arduino-STM32F1`,
`build-arduino-ESP8266`, and
`build-arduino-nRF5` jobs by adding steps.

.github/workflows/build.yml

@@ -307,16 +307,86 @@ jobs:
     if: false  # This will deactivate the job
     runs-on: ubuntu-latest
 
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Set execute permissions for shell scripts
+      run: chmod +x ./.github/workflows/.ci_scripts/*.sh
+
+    - name: Set up Arduino CLI
+      uses: arduino/setup-arduino-cli@master
+
+    - name: Add library symlink to this MySensors repository
+      run: |
+          mkdir -p "$HOME/Arduino/libraries"
+          ln -s "$PWD" "$HOME/Arduino/libraries/."
+
+    - name: Install dependencies
+      run: |
+        arduino-cli config add board_manager.additional_urls https://sandeepmistry.github.io/arduino-nRF5/package_nRF5_boards_index.json
+        arduino-cli core update-index
+        arduino-cli core install sandeepmistry:nRF5
+        #arduino-cli lib install "Ethernet"
+        #arduino-cli lib install "SD"
+
   build-arduino-ESP8266:
     needs: static-code-tests    
     if: false  # This will deactivate the job
     runs-on: ubuntu-latest
 
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Set execute permissions for shell scripts
+      run: chmod +x ./.github/workflows/.ci_scripts/*.sh
+
+    - name: Set up Arduino CLI
+      uses: arduino/setup-arduino-cli@master
+
+    - name: Add library symlink to this MySensors repository
+      run: |
+          mkdir -p "$HOME/Arduino/libraries"
+          ln -s "$PWD" "$HOME/Arduino/libraries/."
+
+    - name: Install dependencies
+      run: |
+        arduino-cli config add board_manager.additional_urls https://sandeepmistry.github.io/arduino-nRF5/package_nRF5_boards_index.json
+        arduino-cli core update-index
+        arduino-cli core install sandeepmistry:nRF5
+        #arduino-cli lib install "Ethernet"
+        #arduino-cli lib install "SD"
+
   build-arduino-nRF5:
     needs: static-code-tests    
     #if: false  # This will deactivate the job
     runs-on: ubuntu-latest
 
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Set execute permissions for shell scripts
+      run: chmod +x ./.github/workflows/.ci_scripts/*.sh
+
+    - name: Set up Arduino CLI
+      uses: arduino/setup-arduino-cli@master
+
+    - name: Add library symlink to this MySensors repository
+      run: |
+          mkdir -p "$HOME/Arduino/libraries"
+          ln -s "$PWD" "$HOME/Arduino/libraries/."
+
+    - name: Install dependencies
+      run: |
+        arduino-cli config add board_manager.additional_urls https://sandeepmistry.github.io/arduino-nRF5/package_nRF5_boards_index.json
+        arduino-cli core update-index
+        arduino-cli core install sandeepmistry:nRF5
+        #arduino-cli lib install "Ethernet"
+        #arduino-cli lib install "SD"
+
+
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2