feat(assertions): Add custom fail and success messages for assertions

ts/index.ts

@@ -1,5 +1,3 @@
-import * as plugins from './smartexpect.plugins.js';
-
 import { Assertion } from './smartexpect.classes.assertion.js';
 
 export const expect = (baseArg: any) => {
@@ -11,3 +9,4 @@ export const expectAsync = (baseArg: any) => {
   const assertion = new Assertion(baseArg, 'async');
   return assertion;
 };
+