Add external-flash overlay app platform

.github/workflows/main.yml

@@ -14,11 +14,14 @@ jobs:
 
     - name: Compile firmware
       run: |
-        chmod +x compile-with-docker.sh
-        ./compile-with-docker.sh
+        chmod +x compile-firmware.sh compile-app.sh
+        ./compile-firmware.sh All
+        ./compile-app.sh All
 
-    - name: Upload firmware artifact
+    - name: Upload artifacts
       uses: actions/upload-artifact@v4
       with:
         name: firmware-artifact
-        path: compiled-firmware/f4hwn.packed.bin
+        path: |
+          build/*/*.bin
+          build/Apps/*.app