tooling: add isort & toml-sort

.pre-commit-config.yaml

demo/demo_quadruped.py

exercizes/ex_0_ur5_joint_space_control.py

exercizes/ex_1.py

exercizes/ex_1_ur5.py

exercizes/ex_2.py

exercizes/ex_3_biped_balance_with_gui.py

exercizes/ex_4_LIPM_to_TSID.py

exercizes/ex_4_conf.py

exercizes/ex_4_long_conf.py

exercizes/ex_4_plan_LIPM_romeo.py

exercizes/ex_4_talos_conf.py

exercizes/ex_4_walking.py

exercizes/romeo_conf.py

exercizes/talos_conf.py

exercizes/test_cop_task.py

exercizes/tsid_biped.py

exercizes/tsid_manipulator.py

exercizes/ur5_conf.py

exercizes/ur5_reaching_conf.py