Added 2-initials.js file

Author: carlosyabreu

.gitignore

@@ -1,4 +1,7 @@
 node_modules
 .DS_Store
 .vscode
-**/.DS_Store
+**/.DS_Store
+.gitignore
+.git
+

Sprint-1/1-key-exercises/2-initials.js

@@ -5,7 +5,8 @@ let lastName = "Johnson";
 // Declare a variable called initials that stores the first character of each string.
 // This should produce the string "CKJ", but you must not write the characters C, K, or J in the code of your solution.
 
-let initials = ``;
+let initials = `${firstName[0]}${middleName[0]}${lastName[0]}`;
+console.log(initials);
 
 // https://www.google.com/search?q=get+first+character+of+string+mdn