add: solution to project euler problem 22 md file (#38263)

* add: solution to project euler 22 md file

* Copied the array instead of using it directly

Co-Authored-By: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>

curriculum/challenges/english/08-coding-interview-prep/project-euler/problem-22-names-scores.english.md

@@ -75,7 +75,27 @@ const names = ['MARY','PATRICIA','LINDA','BARBARA','ELIZABETH','JENNIFER','MARIA
 <section id='solution'>
 
 ```js
-// solution required
+function nameScoreCalc(word) {
+  let sum = 0;
+  let alphabets = ["", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"];
+
+  for (let i = 0 ; i < word.length; i++)
+    sum += alphabets.indexOf(word[i].toLowerCase());
+  return sum;
+}
+
+function namesScores(arr) {
+  arr = [...arr].sort();
+  arr.unshift('');
+  let total = 0;
+
+  for (let i = 1 ; i < arr.length; i++)
+    total += nameScoreCalc(arr[i]) * i;
+  return total;
+}
+
+const test1 = ['THIS', 'IS', 'ONLY', 'A', 'TEST'];
+const test2 = ['I', 'REPEAT', 'THIS', 'IS', 'ONLY', 'A', 'TEST'];
 ```
 
 </section>