fix wrong type to string

models/workspace.go

@@ -3,5 +3,5 @@ package models
 type Workspace struct {
 	Id          uint   `gorm:"primaryKey" json:"id"`
 	Name        string `gorm:"column:name" json:"name"`
-	Description Permissions `gorm:"type:json" json:"description"`
+	Description string `gorm:"type:json" json:"description"`
 }