.gitignore previously ignored all of pack/overrides/ because that dir is
the build output of Build-Tweaks.ps1. But defaultconfigs/ inside it holds
hand-written source-of-truth configs that should be in git (otherwise
they don't survive cross-machine deploys). Whitelisting that subdir.
Adds pack/overrides/defaultconfigs/waystones-common.toml -- the same
file the empty 0.16.1 commit was supposed to ship but couldn't because
of the .gitignore rule. Bumps to 0.16.2.
The override changes just one key:
- spawnInVillages: REGULAR -> DISABLED
All other Waystones settings stay at mod default (ACTIVATION visibility,
PLAYER restriction, empty allowedVisibilities) which already provides
the base-intrusion protections we discussed.