Two sisters who both face the daily challenges of autism have overcome lockdown boredom by creating hundreds of activity packs to keep children in their neighbourhood occupied.   Hannah and Emma Stacey of Nantyffyllon, Maesteg, are compiling packs of brain games, colouring exercises and instructions for making everything from edible play dough to toilet roll monsters, then delivering them to nearby homes.   It began as a way of Emma, 23, keeping her sister from getting too bored. Hannah, 13,…