Add new code snippets

Complete Projects/BFA/Second Wind.lua

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+--UNIT_COMBAT
+function(_, target, event, _, amount)
+	if target == "player" and event ~= "HEAL" and amount then
+		aura_env.lasthit = GetTime()
+		return true
+	end
+end
+
+--UNTRIGGER
+function()
+	if aura_env.lasthit + 5 < GetTime() then
+		return true
+	end
+end
+
+--DURATION
+function()
+	return 5, aura_env.lasthit + 5
+end
+
+--INIT
+aura_env.lasthit = 0