fix link in #11 example
fix link in #11 example

AlekseiPupyshev/bwu_datagrid,bwu-dart/bwu_datagrid_examples,bwu-dart/bwu_datagrid,AlekseiPupyshev/bwu_datagrid,terrasea/bwu_datagrid,bwu-dart/bwu_datagrid_examples,terrasea/bwu_datagrid,bwu-dart/bwu_datagrid_examples,bwu-dart/bwu_datagrid,bwu-dart/bwu_datagrid,terrasea/bwu_datagrid,AlekseiPupyshev/bwu_datagrid