feat: add support for date mapping

test/mapping-model/mappings/src/map-explicit-types.ts

@@ -42,6 +42,16 @@ export interface MapExplicitTypes {
    */
   esText: string;
 
+  /**
+   * @date
+   */
+  esEpochMsDate: number
+
+  /**
+   * @date
+   */
+  esStringDate: string
+
   type: ThingType.MapExplicitTypes;
 }
 
@@ -60,7 +70,13 @@ export const mapExplicitTypesTest: MapAggTestOptions = {
       },
       esText: {
         type: ElasticsearchDataType.text
-      }
+      },
+      esEpochMsDate: {
+        type: ElasticsearchDataType.date
+      },
+      esStringDate: {
+        type: ElasticsearchDataType.date
+      },
     }
   }
 };