Add PatchContext struct

ModuleManager.csproj

@@ -38,6 +38,7 @@
     <Compile Include="Collections\ImmutableStack.cs" />
     <Compile Include="MMPatchLoader.cs" />
     <Compile Include="ModuleManager.cs" />
+    <Compile Include="PatchContext.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Properties\Resources.Designer.cs" />
     <Compile Include="CustomConfigsManager.cs" />

PatchContext.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace ModuleManager
+{
+    public struct PatchContext
+    {
+        public readonly UrlDir.UrlConfig patchUrl;
+        public readonly UrlDir databaseRoot;
+
+        public PatchContext(UrlDir.UrlConfig patchUrl, UrlDir databaseRoot)
+        {
+            this.patchUrl = patchUrl;
+            this.databaseRoot = databaseRoot;
+        }
+    }
+}