[Vuejs]-Vue.js 2.0 and Meteor JS

In your vue instance you are passing #widget1 to theel` option like this

var vm = new Vue({
el: '#widget',
render:h=>h(widget)
});
//} 

But in your html you have the element with id app so pass #app to el

var vm = new Vue({
el: '#app',
render:h=>h(widget)
});
//}