use HEAD instead of main

add temp cheat note

update cauldron => water_cauldron for 1.18

update for 18.1

switched trader to villager (wandering trader often made themselves invisible)

updated mc version

updated for 1.16 and small fixes

added screenshots

added calver format reference

fixed download instructions/link and added vim-mcfunction to tolls

added command line to create minecraft-friendly zip for releases

added install and clarifications--still WIP

ignore release zip and temp vim files

updated comments and added trz:build_tent

reorganized functions and clarified comments