Rework network to use timer instead of onupdate

Heimdall.lua

@@ -20,6 +20,7 @@ local function init()
     ---@field who HeimdallWhoData
     ---@field stinkyTracker HeimdallStinkyTrackerData
     ---@field networkNodes string[]
+    ---@field network HeimdallNetworkData
     ---@field _L Localization
     ---@field VERSION string
     ---@field dumpTable fun(table: any, depth?: number): nil
@@ -242,6 +243,9 @@ local function init()
     ---@class HeimdallStinkyTrackerData
     ---@field stinkies ReactiveValue
 
+    ---@class HeimdallNetworkData
+    ---@field ticker number?
+
     shared.GetOrDefault = function(table, keys, default)
         local value = default
         if not table then return value end