added ceasers cipher

Author: codewithmide

README.md

@@ -6,4 +6,6 @@ Complete these 5 JavaScript projects to earn the JavaScript Algorithms and Data
 ## Projects
 - [Palindrome Checker](https://github.com/codewithmide/JavaScript-Algorithms-and-Data-Structures-Projects/tree/master/Palindrome_Checker)
 
-- [Roman Numeral Converter](https://github.com/codewithmide/JavaScript-Algorithms-and-Data-Structures-Projects/tree/master/Roman_Numeral_Converter)
+- [Roman Numeral Converter](https://github.com/codewithmide/JavaScript-Algorithms-and-Data-Structures-Projects/tree/master/Roman_Numeral_Converter)
+
+- [Ceasers Cipher](https://github.com/codewithmide/JavaScript-Algorithms-and-Data-Structures-Projects/tree/master/Caesars_Cipher)