feat: include comment instructions for LeetCode 2942

starting ts function code copy and paste from leetcode

Author: AmiyahJo

lesson_11/arrays_java/arrays_app/src/main/java/com/codedifferently/lesson11/Lesson11.ts

@@ -13,4 +13,13 @@ function getConcatenation(nums: number[]): number[] {
        }
 
     return ans;
+};
+
+/**
+* Provide the solution to LeetCode 2942 here:
+* https://leetcode.com/problems/find-words-containing-character/
+*/
+
+function findWordsContaining(words: string[], x: string): number[] {
+    
 };