[ACS-4125] Add support for the tags search facet (#8390)

* ACS-4125 Added changes needed to display facets for tags

* ACS-4125 Removed logs

* Add reordering of buckets and facets through configuration + unit tests

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Co-authored-by: Aleksander Sklorz <Aleksander.Sklorz@hyland.com>

lib/content-services/src/lib/search/models/facet-field.interface.ts

@@ -40,4 +40,22 @@ export interface FacetFieldSettings {
     allowUpdateOnChange?: boolean;
     /* allow the user show/hide default search actions */
     hideDefaultAction?: boolean;
+    /* a number to compare to other facets to determine the order in which they will appear */
+    facetOrder?: number;
+    /* the field used to sort the buckets */
+    bucketSortBy?: FacetBucketSortBy;
+    /* the direction in which the buckets are ordered */
+    bucketSortDirection?: FacetBucketSortDirection;
+}
+
+// eslint-disable-next-line no-shadow
+export enum FacetBucketSortBy {
+    LABEL = 'LABEL',
+    COUNT = 'COUNT'
+}
+
+// eslint-disable-next-line no-shadow
+export enum FacetBucketSortDirection {
+    ASCENDING = 'ASCENDING',
+    DESCENDING = 'DESCENDING'
 }