Error: GET http://localhost:4200/demo/inline.bundle.js net::ERR_ABORTED

When starting the example with
```
rafa@freddie ~/d/m/d/mesh-angular-example> npm run-script start

> mesh-angular-example@0.0.0 start /Users/rafa/dev/mesh/dev/mesh-angular-example
> ng serve --proxy-config proxy.conf.js

** NG Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
Date: 2018-03-29T15:44:11.110Z
Hash: acc6093eba8be594f3aa
Time: 8436ms
chunk {inline} inline.bundle.js (inline) 5.79 kB [entry] [rendered]
chunk {main} main.bundle.js (main) 90.7 kB [initial] [rendered]
chunk {polyfills} polyfills.bundle.js (polyfills) 972 kB [initial] [rendered]
chunk {styles} styles.bundle.js (styles) 368 kB [initial] [rendered]
chunk {vendor} vendor.bundle.js (vendor) 9.51 MB [initial] [rendered]

webpack: Compiled successfully.
```
and pointing my browser to http://localhost:4200/ I get the following errors on the browser console:
```
GET http://localhost:4200/demo/inline.bundle.js net::ERR_ABORTED
5Refused to execute script from '' because its MIME type ('text/html') is not executable, and strict MIME type checking is enabled.
localhost/:13 GET http://localhost:4200/demo/polyfills.bundle.js net::ERR_ABORTED
localhost/:13 GET http://localhost:4200/demo/styles.bundle.js net::ERR_ABORTED
localhost/:13 GET http://localhost:4200/demo/vendor.bundle.js net::ERR_ABORTED
localhost/:13 GET http://localhost:4200/demo/main.bundle.js net::ERR_ABORTED
```