fix(core): update

ts/smartkey.classes.smartkey.ts

@@ -0,0 +1,10 @@
+import * as plugins from './smartkey.plugins';
+import { KeyPair } from './smartkey.classes.keypair';
+
+
+export class SmartKey {
+  // instance
+  public async getKeypair(passohrase?: string): Promise<KeyPair> {
+    return KeyPair.createKeyPair();
+  }
+}