message: tweaks: update docs
diff: @@ -14,3 +14,5 @@ Tweaks stuff. See below.
  * `NWNX_TWEAKS_PARRY_ALL_ATTACKS`: true or false
  * `NWNX_TWEAKS_SNEAK_ATTACK_IGNORE_CRIT_IMMUNITY`: true or false
  * `NWNX_TWEAKS_PRESERVE_DEPLETED_ITEMS`: true or false
  +* `NWNX_TWEAKS_DISABLE_SHADOWS`: true or false
  +* `NWNX_TWEAKS_HIDE_DMS_ON_CHAR_LIST`: true or false
  