refactor(packages/stdlib): levensthein fn replate to module export

packages/stdlib/src/index.ts

@@ -1 +1,2 @@
+export * from './text';
 export * from './math';

packages/stdlib/src/text/levenshtein-distance/index.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest';
-import levenshteinDistance from '.';
+import {levenshteinDistance} from '.';
   
 describe('levenshteinDistance', () => {
     it('should calculate edit distance between two strings', () => {  

packages/stdlib/src/text/levenshtein-distance/index.ts

@@ -5,7 +5,7 @@
  * @param {string} b Second string
  * @returns {number} The Levenshtein distance between the two strings
  */
-export default function levenshteinDistance(a: string, b: string): number {
+export function levenshteinDistance(a: string, b: string): number {
     // If the strings are equal, the distance is 0
     if (a === b) return 0;