add more fields to device data

model.go

@@ -1,6 +1,10 @@
 package devicemngt
 
-import "time"
+import (
+	"time"
+
+	"github.com/lib/pq"
+)
 
 // Device ...
 type Device struct {
@@ -60,7 +64,7 @@ type HeaderData struct {
 type StaffPermissions struct {
 	ID          string         `db:"id"`
 	Name        string         `db:"name"`
-	Permissions []string `db:"permissions"`
+	Permissions pq.StringArray `db:"permissions"`
 	AccountType string         `db:"account_type"`
 	Active      bool           `db:"active"`
 	DeviceID    string         `db:"device_id"`