how to: Open iconic + Bootstrap + angular2+ (angular7 in my case)

The proper way yo use it:
`npm i open-iconic`

```sass
$icon-font-path: '~open-iconic/font/fonts/';
@import "~open-iconic/font/css/open-iconic-bootstrap.scss";
```

the explanation: (i've also posted an answer in Stack overflow)
https://stackoverflow.com/a/53757247/1727357