Rename 9-Palindrom-Number.ts to 9-Palindrome-Number.ts

Author: Ahmad-A0

typescript/9-Palindrom-Number.ts renamed to typescript/9-Palindrome-Number.ts

@@ -10,4 +10,4 @@ var isPalindrome = (x: number) => {
         }
     }
     return true;
-};
+};