fix: add end line

Author: Real-Reason

best-time-to-buy-and-sell-stock/Real-Reason.kt

@@ -12,4 +12,4 @@ fun maxProfit(prices: IntArray): Int {
     }
 
     return maxProfit
-}
+}

group-anagrams/Real-Reason.kt

@@ -10,4 +10,4 @@ fun groupAnagrams(strs: Array<String>): List<List<String>> {
     }
 
     return anagrams.values.toList()
-}
+}

implement-trie-prefix-tree/Real-Reason.kt

@@ -56,4 +56,4 @@ class SecondSolution {
         }
         return true
     }
-}
+}