Adding data to asteroids tests

sempy_core/MANIFEST.in

sempy_core/sempy/core/asteroids/tests/54000953.bsp

sempy_core/sempy/core/asteroids/tests/54000953.data

sempy_core/sempy/core/asteroids/tests/result_asteroid2earth

sempy_core/sempy/core/asteroids/tests/result_earth2asteroid

.../GL_V/spacecraft_trajectories/LEO2NRHO/Halo2NRHO_guess.py

.../spacecraft_trajectories/LEO2NRHO/earth2manifold_guess.py

...mal_control/sempy/optimal_control/GL_V/src/constraints.py

sempy_optimal_control/sempy/optimal_control/GL_V/src/cost.py

.../sempy/optimal_control/GL_V/src/cr3bp_dynamics_adapted.py

...al_control/sempy/optimal_control/GL_V/src/optimization.py

...optimal_control/sempy/optimal_control/GL_V/src/problem.py

...optimal_control/sempy/optimal_control/GL_V/src/scaling.py

...imal_control/sempy/optimal_control/GL_V/src/spacecraft.py

...l_control/sempy/optimal_control/GL_V/src/transcription.py

...control/sempy/optimal_control/mission/LEO2NRHO/LEO2GEO.py

.../sempy/optimal_control/mission/LEO2NRHO/earth2manifold.py

.../optimal_control/mission/LEO2NRHO/earth2manifold_guess.py

..._optimal_control/sempy/optimal_control/src/constraints.py

sempy_optimal_control/sempy/optimal_control/src/cost.py