fix: fix using jest-diff. fixes #31

index.js

@@ -3,7 +3,7 @@
 const fs = require('fs');
 const path = require('path');
 const chalk = require('chalk');
-const diff = require('jest-diff').default;
+const { diff } = require('jest-diff');
 const mkdirp = require('mkdirp');
 const filenamify = require('filenamify');