new topics from discrete mathematics:

• Connector-Breaker_games_on_random_boards.md
• Fast_Strategies_in_Waiter-Client_Games.md
• Maker-Breaker_games_on_randomly_perturbed_graphs.md
• Random_perturbation_of_sparse_graphs.md
• rrr-cross_ttt-intersecting_families_via_necessary_intersection_points.md