added ml5 to yarn

package.json

@@ -13,8 +13,8 @@
     "file-saver": "^2.0.2",
     "firebase": "^7.5.0",
     "firebase-tools": "^7.9.0",
-    "ml5": "^0.4.3",
     "handlebars": "^4.3.0",
+    "ml5": "^0.4.3",
     "muse-js": "^3.0.1",
     "p5": "^0.10.2",
     "p5.js-widget": "https://github.com/toolness/p5.js-widget.git",