This a simple implementation of the algoritm to cipher messages called Caesar Cipher, you can learn more here
you need node 8 or up, yarn or npx and a editor
yarn parse // step1: take the orginal text (files/don.txt) and move all letter by one position, example: find letter 'a' then return 'b' and so on
yarn start // step2: take a keychain base and match again the text parsed (step 1)This was created for fun and improve logic skills, feel free to do the same