Implement dueler

Modules/Dueler.lua

@@ -5,5 +5,21 @@ local addonname, shared = ...
 ---@diagnostic disable-next-line: missing-fields
 shared.Dueler = {}
 function shared.Dueler.Init()
+	local frame = CreateFrame("Frame")
+	frame:RegisterEvent("DUEL_REQUESTED")
+	frame:SetScript("OnEvent", function(self, event, sender)
+		if not Heimdall_Data.config.dueler.enabled then return end
+		local allow = Heimdall_Data.config.agents[sender]
+		if allow then
+			print("Heimdall - Dueler - Accepting duel from " .. sender)
+			AcceptDuel()
+		else
+			if Heimdall_Data.config.dueler.autoDecline then
+				print("Heimdall - Dueler - Auto declining duel from " .. sender)
+				CancelDuel()
+			end
+		end
+	end)
+
 	print("Heimdall - Dueler loaded")
 end