Update compile_examples.yml

.github/workflows/compile_examples.yml

@@ -1,16 +1,33 @@
 name: Compile Examples
 
-on:
-  - push
-  - pull_request
+on: [push, pull_request]
 
 jobs:
-  compile-examples:
+  build-arduino:
     runs-on: ubuntu-latest
+    if: contains(github.event.head_commit.message, '[arduino]')
+    steps:
+      - uses: actions/checkout@v3
+      - uses: arduino/compile-sketches@v1
+        with:
+          libraries: |
+            - source-path: ./
 
+  build-esp8266:
+    runs-on: ubuntu-latest
+    if: contains(github.event.head_commit.message, '[esp8266]')
     steps:
-        - uses: actions/checkout@v3
-        - uses: arduino/compile-sketches@v1
-          with:
-            libraries: |
-              - source-path: ./
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Install Arduino CLI
+        uses: arduino/setup-arduino-cli@v1
+
+      - name: Install ESP8266 platform
+        run: |
+          arduino-cli core update-index
+          arduino-cli core install esp8266:esp8266
+
+      - name: Compile code
+        run: |
+          arduino-cli compile --fqbn esp8266:esp8266:nodemcuv2 ./path-to-your-sketch