- created Toasts.js
- updated build/js/scss/plugins/_toastr.scss
- added toast-variant mixin in build/scss/_mixinis.scss
- created build/scss/_toasts.scss
- added zindex-toasts variable in build/scss/_variables.scss
- updated build/scss/AdminLTE.scss & build/scss/AdminLTE-raw.scss
- updated pages/UI/modals.html
- created docs/javascript/toasts.md
- updated docs/_config.yml