Tong/make some changes (#22)

* feat: add a new function

* fix: fix string

Author: supertong

packages/example-lib2/src/lib/example-lib2.ts

@@ -1,5 +1,5 @@
 import { exampleLib } from '@babylonlabs-io/example-lib';
 
 export function exampleLib2(): string {
-  return exampleLib() + 'example-lib2-new';
+  return exampleLib() + 'example-lib2';
 }

packages/example-lib3/src/lib/example-lib3.ts

@@ -3,3 +3,7 @@ import { exampleLib2 } from '@babylonlabs-io/example-lib2';
 export function exampleLib3(): string {
   return exampleLib2() + 'example-lib3-new';
 }
+
+export function newExampleLib3(): string {
+  return 'this is totally new';
+}