fix: assignment in type alias

internal/writer.go

@@ -148,6 +148,7 @@ func ImplementModelAlias(modelName string, file *ast.File) {
 				Name: &ast.Ident{
 					Name: modelName,
 				},
+				Assign: 1, // quick and dirty
 				Type: &ast.Ident{
 					Name: aliasTypeStandard,
 				},