Refactor agentTracker to its own module

Modules/AgentTracker.lua

@@ -0,0 +1,26 @@
+local addonname, shared = ...
+---@cast shared HeimdallShared
+---@cast addonname string
+
+---@diagnostic disable-next-line: missing-fields
+shared.AgentTracker = {}
+function shared.AgentTracker.Init()
+	---@type table<string, boolean>
+	local channelRosterFrame = CreateFrame("Frame")
+	channelRosterFrame:RegisterEvent("CHANNEL_ROSTER_UPDATE")
+	channelRosterFrame:SetScript("OnEvent", function(self, event, index)
+		if not Heimdall_Data.config.agentTracker.enabled then return end
+		local name = GetChannelDisplayInfo(index)
+		if name ~= Heimdall_Data.config.agentTracker.masterChannel then return end
+		local count = select(5, GetChannelDisplayInfo(index))
+		for i = 1, count do
+			local name = GetChannelRosterInfo(index, i)
+			if name then
+				Heimdall_Data.config.agents[name] = date("%Y-%m-%dT%H:%M:%S")
+			end
+		end
+		--shared.dumpTable(Heimdall_Data.config.agents)
+	end)
+
+	print("Heimdall - AgentTracker loaded")
+end