feat(ui): New status page UI (#1198)

* feat(ui): New status page UI

* docs: Rename labels to extra-labels

* Fix domain expiration test

* feat(ui): Add ui.default-sort-by and ui.default-filter-by

* Change ui.header default value to Gatus

* Re-use EndpointCard in Details.vue as well to avoid duplicate code

* Fix flaky metrics test

* Add subtle green color to "Gatus"

* Remove duplicate title (tooltip is sufficient, no need for title on top of that)

* Fix collapsed group user preferences

* Update status page screenshots

web/app/src/lib/utils.js

@@ -0,0 +1,6 @@
+import { clsx } from 'clsx'
+import { twMerge } from 'tailwind-merge'
+
+export function combineClasses(...inputs) {
+  return twMerge(clsx(inputs))
+}