Move stylesheets from assets into javascript/styles/

app/javascript/packs/application.ts

@@ -1,4 +1,4 @@
-require('sweetalert/dist/sweetalert.css');
+require('../styles/application.scss');
 
 import start from 'retrospring/common';
 import initAnnouncements from 'retrospring/features/announcement';

app/javascript/styles/_variables.scss

@@ -1,5 +1,7 @@
 // Font settings
-@import url(https://fonts.googleapis.com/css?family=Lato:400,700);
+$lato-font-path: "~lato-font/fonts";
+
+$fa-font-path: "~font-awesome/fonts";
 
 $font-family-sans-serif:  "Lato","Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
 $font-family-serif:       Georgia, "DejaVu Serif", "Times New Roman", Times, serif;

app/javascript/styles/application.scss

@@ -21,8 +21,11 @@
  */
 
 @import
-"bootstrap",
+"~bootstrap/scss/bootstrap",
-"font-awesome";
+"~font-awesome/scss/font-awesome",
+"~lato-font/scss/lato-font",
+"~sweetalert/dist/sweetalert",
+"~toastify-js/src/toastify";
 
 /**
  OVERRIDES