Added lib alias to Jest config

Signed-off-by: Jaid <jaid.jsx@gmail.com>

Author: Jaid

jest.config.js

@@ -9,5 +9,6 @@ module.exports = {
   moduleNameMapper: {
     "^root": "<rootDir>",
     "^src": "<rootDir>/src",
+    "^lib": "<rootDir>/src/lib",
   },
 }