Move data definitions into their separate modules

Modules/NetworkMessenger.lua

@@ -7,6 +7,10 @@ local ModuleName = "NetworkMessenger"
 ---@field debug boolean
 ---@field interval number
 
+---@class HeimdallNetworkMessengerData
+---@field queue table<string, Message>
+---@field ticker Timer?
+
 ---@class NetworkMessenger
 shared.NetworkMessenger = {
 	Init = function()