The early adopter getting started guide is really short and simple. I followed it and I got so many errors I don't know where to start.

The system said it complied successfully.



Refused to apply style from 'http://localhost:1962/resources/loader.css' because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled.
Refused to apply style from 'http://localhost:1962/ext/ext.css' because its MIME type ('text/html') is not a supported stylesheet MIME type, and strict MIME checking is enabled.GET http://localhost:1962/ext/ext.js net::ERR_ABORTED 404 (Not Found)

ext-button.component.js:600 Uncaught ReferenceError: Ext is not defined
at ext-button.component.js:600
at Module.../node_modules/@sencha/ext-web-components/lib/ext-button.component.js (ext-button.component.js:603)
at __webpack_require__ (bootstrap:726)
at fn (bootstrap:100)
at Module../index.js (index.js:1)
at __webpack_require__ (bootstrap:726)
at fn (bootstrap:100)
at Object.0 (main.js?812e880…:19759)
at __webpack_require__ (bootstrap:726)
at bootstrap:793