add org structure

model/position.go

@@ -0,0 +1,11 @@
+package model
+
+import "gorm.io/gorm"
+
+type Position struct {
+	gorm.Model
+	Name           string `gorm:"unique;index"`
+	RightMask      int    `json:"right_mask"`
+	OrganizationID uint   `json:"organization_id" gorm:"index;not null"`
+	Users          []User `json:"users,omitempty"`
+}