feat：完善入驻信息管理

app/api/manage/model/user_agent.go

@@ -0,0 +1,11 @@
+package model
+
+import "SciencesServer/app/common/model"
+
+type UserAgent struct {
+	*model.UserAgent
+}
+
+func NewUserAgent() *UserAgent {
+	return &UserAgent{model.NewUserAgent()}
+}