Model: Add AddressMap boilerplate code

Il2CppInspector.Common/Model/AddressMap.cs

@@ -0,0 +1,34 @@
+/*
+    Copyright 2020 Katy Coe - http://www.djkaty.com - https://github.com/djkaty
+
+    All rights reserved.
+*/
+
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Il2CppInspector.Model
+{
+    // A map of absolutely everything in the binary we know about
+    // Designed to be used by static analysis disassembly frameworks such as Capstone.NET
+    public class AddressMap
+    {
+        public Dictionary<ulong, object> Item { get; } = new Dictionary<ulong, object>();
+
+        public AppModel Model { get; }
+
+        public AddressMap(AppModel model) {
+            Model = model;
+            build();
+        }
+
+        private void build() {
+            // TODO: Build address map
+        }
+
+        public object At(ulong addr) => Item.ContainsKey(addr)? Item[addr] : null;
+
+        public bool TryAdd(ulong addr, object item) => Item.TryAdd(addr, item);
+    }
+}