chore(demo-app): demo workaround to webpack issue

index.ts

@@ -5,5 +5,16 @@ import { ngTableBrowserModule } from './src/browser';
 const ngTableModule = ng1.module('ngTable', [ngTableCoreModule.name, ngTableBrowserModule.name]);
 
 export { ngTableModule };
-export * from './src/core';
+export { IDefaults } from './src/core/ngTableDefaults';
+export * from './src/core/ngTableEventsChannel';
+// note: having to export as individual modules rather than `*` to avoid webpack (bug?)
+// causing the final bundle to throw an error `Cannot redefine property: NgTableParams`
+// todo: replace with commented out export below once webpack produces a working bundle
+export { InternalTableParams, NgTableParams, IParamValues } from './src/core/ngTableParams';
+// export * from './src/core/ngTableParams';
+export * from './src/core/data';
+export * from './src/core/filtering';
+export * from './src/core/grouping/publicExports';
+export * from './src/core/paging';
+export * from './src/core/sorting';
 export * from './src/browser';