Add bbag files of the RViz simulations

bags/rviz_2dof_1/metadata.yaml

bags/rviz_2dof_1/rviz_2dof_0.db3

bags/rviz_2dof_2/metadata.yaml

bags/rviz_2dof_2/rviz_2dof_2_0.db3

bags/rviz_3dof_1/metadata.yaml

bags/rviz_3dof_1/rviz_3dof_0.db3

bags/rviz_3dof_2/metadata.yaml

bags/rviz_3dof_2/rviz_3dof_2_0.db3