fix(core): update

ts/index.ts

@@ -1,3 +1,9 @@
+import { Feed, IFeedOptions } from './smartfeed.classes.feed';
 import * as plugins from './smartfeed.plugins';
 
-export let standardExport = 'Hi there! :) This is an exported string';
+export class Smartfeed {
+  public createFeed(optionsArg: IFeedOptions) {
+    const feedVersion = new Feed(optionsArg);
+    return feedVersion;
+  }
+}