生成奖励相关代码，实现新增门店奖励

internal/controller/reward/reward_v1_create_system_reward.go

@@ -0,0 +1,14 @@
+package reward
+
+import (
+	"context"
+
+	"github.com/gogf/gf/v2/errors/gcode"
+	"github.com/gogf/gf/v2/errors/gerror"
+
+	"server/api/reward/v1"
+)
+
+func (c *ControllerV1) CreateSystemReward(ctx context.Context, req *v1.CreateSystemRewardReq) (res *v1.CreateSystemRewardRes, err error) {
+	return nil, gerror.NewCode(gcode.CodeNotImplemented)
+}