feat: direct call download api by cgo

pkg/api/model/task.go

@@ -0,0 +1,14 @@
+package model
+
+import "github.com/GopeedLab/gopeed/pkg/base"
+
+type CreateTask struct {
+	Rid string        `json:"rid"`
+	Req *base.Request `json:"req"`
+	Opt *base.Options `json:"opt"`
+}
+
+type CreateTaskBatch struct {
+	Reqs []*base.Request `json:"reqs"`
+	Opt  *base.Options   `json:"opt"`
+}