feat(go/dp): support dynamic programming (#622)

* feat(go/dp): support climbing stairs

* feat(go/dp): support knapsack

* feat(go/dp): coin_change & edit_distance

codes/go/chapter_dynamic_programming/coin_change_test.go

@@ -0,0 +1,23 @@
+// File: coin_change_test.go
+// Created Time: 2023-07-23
+// Author: Reanon (793584285@qq.com)
+
+package chapter_dynamic_programming
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestCoinChange(t *testing.T) {
+	coins := []int{1, 2, 5}
+	amt := 4
+
+	// 动态规划
+	res := coinChangeDP(coins, amt)
+	fmt.Printf("凑到目标金额所需的最少硬币数量为 %d\n", res)
+
+	// 状态压缩后的动态规划
+	res = coinChangeDPComp(coins, amt)
+	fmt.Printf("凑到目标金额所需的最少硬币数量为 %d\n", res)
+}