Silent Echo: Residual

Added new unique weapons and a new armor path (if netherite is too much for you to collect for a simple mod), anlong with new mobs like the Sapients (who act like piglins but are fully peaceful unless provoked) and Ḙ̸̭̲͆n̶̠̾̈́̾t̵͓͓̫̀͋r̵̪̘͋̎̿ǫ̵̭͊p̷̨̖̮̊ỳ̷̟̻͂̚. Resprited the Purgatory Heart and reworked the flora generation in Purgatory for more environmental cave hazards and so it looks more natural. (may be stuff i forgot fyi)