Updated Playerbot Documentation (markdown)

Playerbot-Documentation.md

@@ -68,6 +68,7 @@ strategy | description
 ``focus`` | stop casting aoe spell or debuff spells on multiple attackers (focus on the single target)
 ``avoid aoe`` | automatically avoid the majority of harmful aoe spells
 ``save mana`` | healers save mana by prioritizing high-efficiency spells when mana falls below a threshold
+``assist dps`` | healers cast damage spells if they have enough mana
 ``tank face`` | ensure the current target does not face ranged players in the group (to counter breath and cleave-like spells)
 ``behind`` | move to the target's back (rear flank) when they are not positioned behind the target
 ``frost``, ``fire`` | mage only