fix: add newline at end of file

Author: jjipper

contains-duplicate/jjipper.ts

@@ -13,4 +13,4 @@ export function containsDuplicate(nums: number[]): boolean {
         seen.add(num);
     }
     return false;
-};
+};

two-sum/jjipper.ts

@@ -15,4 +15,4 @@ export function twoSum(nums: number[], target: number): number[] {
         obj[a] = i;
     }
     return [];
-};
+};