chore: add package level comments

solutions/30/q3005/solution.go

@@ -1,3 +1,4 @@
+// Package q3005 implements a solution for https://leetcode.com/problems/count-elements-with-maximum-frequency/
 package q3005
 
 import "slices"

solutions/30/q3010/solution.go

@@ -1,3 +1,4 @@
+// Package q3010 implements a solution for https://leetcode.com/problems/divide-an-array-into-subarrays-with-minimum-cost-i/
 package q3010
 
 func minimumCost(nums []int) int {

solutions/30/q3013/solution.go

@@ -1,3 +1,4 @@
+// Package q3013 implements a solution for https://leetcode.com/problems/divide-an-array-into-subarrays-with-minimum-cost-ii/
 package q3013
 
 import (

solutions/30/q3047/solution.go

@@ -1,3 +1,4 @@
+// Package q3047 implements a solution for https://leetcode.com/problems/find-the-largest-area-of-square-inside-two-rectangles/
 package q3047
 
 import "slices"

solutions/30/q3074/solution.go

@@ -1,3 +1,4 @@
+// Package q3074 implements a solution for https://leetcode.com/problems/apple-redistribution-into-boxes/
 package q3074
 
 import "slices"

solutions/30/q3075/solution.go

@@ -1,3 +1,4 @@
+// Package q3075 implements a solution for https://leetcode.com/problems/maximize-happiness-of-selected-children/
 package q3075
 
 import "slices"