feat: add filter chips for news

src/app/modules/data/data.provider.ts

@@ -19,8 +19,10 @@ import {
   SCMultiSearchResponse,
   SCSearchRequest,
   SCSearchResponse,
+  SCSearchValueFilter,
   SCThingOriginType,
   SCThings,
+  SCThingsField,
   SCThingType,
 } from '@openstapps/core';
 import {SCSaveableThing} from '@openstapps/core';
@@ -88,6 +90,25 @@ export class DataProvider {
    */
   storageProvider: StorageProvider;
 
+  /**
+   * Simplify creation of a value filter
+   *
+   * @param field Database field for apply the filter to
+   * @param value Value to match with
+   */
+  static createValueFilter(
+    field: SCThingsField,
+    value: string,
+  ): SCSearchValueFilter {
+    return {
+      type: 'value',
+      arguments: {
+        field: field,
+        value: value,
+      },
+    };
+  }
+
   /**
    * TODO
    *