update go mod, rename request_types to schema

schema.go

@@ -0,0 +1,11 @@
+package main
+
+type User struct {
+	Id        string
+	Password  string `form:"userpassword" binding:"required"`
+	CN        string `form:"usercn" binding:"required"`
+	SN        string `form:"usersn" binding:"required"`
+	Resources struct{}
+	Cluster   struct{}
+	Templates struct{}
+}