chore: Add missing newline at end of file in multiple solution files

Author: eunice-hong

coin-change/eunice-hong.ts

@@ -21,4 +21,4 @@ function coinChange(coins: number[], amount: number): number {
 
   // If dp[amount] is still Infinity, it means it's not possible to make the amount
   return dp[amount] === Infinity ? -1 : dp[amount];
-}
+}

find-minimum-in-rotated-sorted-array/eunice-hong.ts

@@ -12,4 +12,4 @@ function findMin(nums: number[]): number {
     }
     // return the next value
     return nums[(index + 1) % nums.length]
-};
+};

maximum-depth-of-binary-tree/eunice-hong.ts

@@ -28,4 +28,4 @@ function maxDepth(root: TreeNode | null): number {
         // tree has at least one child
         return 1 + Math.max(maxDepth(root.left), maxDepth(root.right))
     }
-};
+};

merge-two-sorted-lists/eunice-hong.ts

@@ -31,4 +31,4 @@ function mergeTwoLists(list1: ListNode | null, list2: ListNode | null): ListNode
         // list2's current node is smaller
         return new ListNode(list2.val, mergeTwoLists(list1, list2.next))
     }
-};
+};

word-search/eunice-hong.ts

@@ -42,4 +42,4 @@ function exist(board: string[][], word: string): boolean {
 
   // If we didn't find the word, return false
   return false;
-}
+}