fix(breaking): better handling of the server rotation config

The config path was also changed to `BepInEx/config/GBSU/config.json`

Tracks the -maplist argument

Patches/ConfigLoader.cs

@@ -0,0 +1,35 @@
+using System;
+using System.IO;
+using GB.Config;
+using GBSU.Addons;
+using HarmonyLib;
+using Newtonsoft.Json;
+
+namespace GBSU.Patches;
+
+[HarmonyPatch]
+class ConfigLoaderPatch
+{
+    [HarmonyPatch(typeof(GBConfigLoader), "LoadRotationConfig")]
+    private static bool Prefix(ref RotationConfig __result)
+    {
+        string text = ""; // contents of file
+
+        Plugin.Log.LogInfo("Loading custom rotation config...");
+
+        // Reading from file
+        try
+		{
+            text = File.ReadAllText(Helper.GameConfigPath);
+            Plugin.Log.LogDebug("Provided rotation config:\n" + text);
+            RotationConfig rc = JsonConvert.DeserializeObject<RotationConfig>(text);
+			__result = rc;
+		}
+		catch (Exception e)
+		{
+            GBSUGui.PushError("Couldn't read game config file. A few details:\n" + e);
+        }
+
+        return false; // skip
+    }
+}