fix(core): update

ts/smartcrypto.classes.smartcrypto.ts

@@ -1,5 +1,8 @@
 import * as plugins from './smartcrypto.plugins';
+import { KeyPair } from './smartcrypto.classes.keypair';
 
 export class Smartcrypto {
-  
+  public async createKeyPair (): Promise<KeyPair> {
+    return KeyPair.createNewKeyPair();
+  };
 }