feat(core): Enhanced data handling and retrieval features, improved usage documentation

ts/classes.businessrecord.ts

@@ -2,6 +2,10 @@ import * as plugins from './plugins.js';
 
 @plugins.smartdata.Manager()
 export class BusinessRecord extends plugins.smartdata.SmartDataDbDoc<BusinessRecord, BusinessRecord> {
+  
+  @plugins.smartdata.unI()
+  id: string;
+  
   @plugins.smartdata.svDb()
   data: {
     name?: string,