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

config/config.go

@@ -6,6 +6,7 @@ import (
 	"io/fs"
 	"os"
 	"path/filepath"
+	"sort"
 	"strings"
 	"time"
 
@@ -118,6 +119,9 @@ func (config *Config) GetUniqueExtraMetricLabels() []string {
 			labels = append(labels, label)
 		}
 	}
+	if len(labels) > 1 {
+		sort.Strings(labels)
+	}
 	return labels
 }