chore: add package level comments

solutions/17/q1700/solution.go

@@ -1,3 +1,4 @@
+// Package q1700 implements a solution for https://leetcode.com/problems/number-of-students-unable-to-eat-lunch/
 package q1700
 
 func countStudents(students []int, sandwiches []int) int {

solutions/17/q1716/solution.go

@@ -1,3 +1,4 @@
+// Package q1716 implements a solution for https://leetcode.com/problems/calculate-money-in-leetcode-bank/
 package q1716
 
 func totalMoney(n int) int {

solutions/17/q1732/solution.go

@@ -1,3 +1,4 @@
+// Package q1732 implements a solution for https://leetcode.com/problems/find-the-highest-altitude/
 package q1732
 
 func largestAltitude(gain []int) int {

solutions/17/q1768/solution.go

@@ -1,3 +1,4 @@
+// Package q1768 implements a solution for https://leetcode.com/problems/merge-strings-alternately/
 package q1768
 
 import "strings"