Added sample input
Basic setup
Getting input. Words before the star need to be added to the dictionary.
Set up global variables. Placing all words in an array
grabbing input in a loop
Adding each word to map. Building a graph of the words that are the same length and are one letter apart.
Implemented method that returns true if one or less char is different
Implemented getDistance using bfs algorithm
Doing some cleanup between test cases
Clearing was visited between each pair of words.
Added README file
Find the character that is used for the wall
Using wall character