Changelog

- new pages: User Bookings (user-grid.html), Booking detail (user-booking-detail.html), Booking process (4 pages: user-booking-1.html - user-booking-4.html, _booking.scss), Host view (user-list.html)
- improved: - added .icon-rounded-sm modifier classes (_icons.scss)
- improved: - better alert theming (_variables.scss)
- fixed: left/right arrows in Magnific popup 
   (affected files: custom/_magnificpopup.scss, new file custom/_functions.scss)
- updated: Font Awesome to v 5.8.1

- fixed: Similar places carousel initialisation in detail.html
   (affected files: js/theme.js, new file custom/_functions.scss)

- new pages: Sign in (login.html), Sign up (signup.html), Add new listing form (6 pages: user-add-0.html - user-add-5.html)
- improved: added SVG logo for demo purposes
- improved: to avoid CORS issues when viewing using file:// protocol, using the Bootstrapious.com URL for the SVG sprite
- fixed: left/right arrows in Magnific popup 
   (affected files: custom/_magnificpopup.scss, new file custom/_functions.scss)
- fixed: SCSS customization - improved styling possibilities for brand colours, 
  added few missing !default flags, new variable for .nav-link in navbar - $navbar-link-size
  (affected files: custom/_variables.scss, user/_user-variables.scss)

- Initial release