Ember - donation system, bans, loading screen & landing/index page

1. Reworked the light theme
2. Reworked the user list
3. Added an option for a legal notice / impressum page
4. Separate last online & last played tracking
5. Added user status indicators to profile views
6. Other minor improvements

Files modified:

1. web/app/Controllers/AdminController.php
2. web/app/Controllers/ApiController.php
3. web/app/Controllers/MigrationController.php
4. web/app/Controllers/PagesController.php
5. web/app/Controllers/ServerApiController.php
6. web/app/Middleware/LastOnlineMiddleware.php
7. web/app/Models/User.php
8. web/app/routes.php
9. web/bootstrap/app.php
10. web/public/css/app.css
11. web/public/css/bg-img.css
12. web/public/css/dark.css
13. web/public/css/light.css
14. web/public/js/app.js
15. web/public/js/manifest.js
16. web/public/js/vendor.js
17. web/public/mix-manifest.json
18. web/resources/js/components/ProfileAdministration.vue
19. web/resources/js/components/UsersList.vue
20. web/resources/js/components/UsersTable.vue
21. web/resources/js/scripts/ui.js
22. web/resources/lang/en.php
23. web/resources/sass/app.scss
24. web/resources/views/admin/dashboard.twig
25. web/resources/views/admin/misc.twig
26. web/resources/views/admin/users.twig
27. web/resources/views/bans.twig
28. web/resources/views/dependencycheck.twig
29. web/resources/views/landing.twig
30. web/resources/views/layouts/footer.twig
31. web/resources/views/layouts/navbar.twig
32. web/resources/views/layouts/pagination.twig
33. web/resources/views/legal/impressum.twig
34. web/resources/views/legal/privacy.twig
35. web/resources/views/legal/tos.twig
36. web/resources/views/notifications.twig
37. web/resources/views/profile.twig
38. web/resources/views/store/credits.twig
39. web/resources/views/store/packages.twig
40. web/resources/views/templates/app.twig
41. web/resources/views/users.twig
42. web/webpack.mix.js