Edit distance

In this project edit distance is implemented:

Given two words word1 and word2, find the minimum number of operations required to convert word1 to word2. You have the following 3 operations permitted on a word: Insert a character Delete a character Replace a character

How to run: npm start -- wordone wordtwo

You should make the code look and feel better than it is right now. Here is a list of points:

• Check current algorithm implementation (no coding needed here)
• Refactor code (changes could be in anything)
• Add tests, you can add any testing library as you want