[ADF-2189] new search facets (#3230)

* slider facet

* number range facet

* unit tests

* remove fdescribe

* remove old demo-only content

* remove old tests

* Support "include" and "field" values with app config

* exclude deprecated demo content from export checks

lib/content-services/search/search-configuration.interface.ts

@@ -21,13 +21,11 @@ import { FacetField } from './facet-field.interface';
 import { SearchCategory } from './search-category.interface';
 
 export interface SearchConfiguration {
+    include?: Array<string>;
+    fields?: Array<string>;
     query?: {
         categories: Array<SearchCategory>
     };
-    limits?: {
-        permissionEvaluationTime?: number;
-        permissionEvaluationCount?: number;
-    };
     filterQueries?: Array<FilterQuery>;
     facetQueries?: Array<FacetQuery>;
     facetFields?: {