added manager, driver, order, route, vehicle, warehouse endpoints,models and migrations.

internal/models/manager.go

@@ -0,0 +1,10 @@
+package models
+
+import "github.com/google/uuid"
+
+type Manager struct {
+	ID          uuid.UUID  `db:"id"`
+	UserID      uuid.UUID  `db:"user_id"`
+	WarehouseID *uuid.UUID `db:"warehouse_id"`
+	Slug        string     `db:"slug"`
+}