add font awesome to project code example

Example: install font awesome

npm install --save @fortawesome/fontawesome-free
$fa-font-path:        "../webfonts";
@import "~@fortawesome/fontawesome-free/scss/fontawesome.scss";
@import "~@fortawesome/fontawesome-free/scss/solid.scss";
@import "~@fortawesome/fontawesome-free/scss/brands.scss";
@import "~@fortawesome/fontawesome-free/scss/regular.scss";
please email me [email protected] if you have any issues.