Support compilation extrafiles (#498)

* support compilation extrafiles

* 2.4.9

Author: Alberto Iannaccone

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "arduino-create-agent-js-client",
-  "version": "2.4.8",
+  "version": "2.4.9",
   "description": "JS module providing discovery of the Arduino Create Plugin and communication with it",
   "main": "lib/index.js",
   "module": "es/index.js",

package.json

@@ -171,7 +171,8 @@ export default class Daemon {
             }
           });
         });
-        this._upload(uploadPayload, uploadCommandInfo);
+        const files = [...(uploadCommandInfo.files || []), ...(compilationResult.files || [])];
+        this._upload(uploadPayload, { ...uploadCommandInfo, files });
       });
   }