feat：完善项目

app/api/admin/model/technology_demand.go

@@ -0,0 +1,12 @@
+package model
+
+import "SciencesServer/app/common/model"
+
+// TechnologyDemand 技术需求
+type TechnologyDemand struct {
+	*model.TechnologyDemand
+}
+
+func NewTechnologyDemand() *TechnologyDemand {
+	return &TechnologyDemand{model.NewTechnologyDemand()}
+}