Move assets to more logical location

Minecraft.Client/Build/Assets/README.md

@@ -0,0 +1,26 @@
+# Minecraft.Client asset structure
+Vague asset structure of a release client (need to test and properly check some of these).
+```
+AssetStructure
+├── Common
+│   ├── Media
+│   │   ├── MediaWindows64.arc
+│   │   └── font
+│   │       └── *
+│   ├── Trial
+│   │   └── TrialLevel.mcs
+│   ├── Tutorial
+│   │   └── Tutorial
+│   └── res
+│       └── *
+├── Durango
+│   └── Sound
+│       └── Minecraft.msscmp
+├── Windows64
+│   └── GameHDD
+└── music
+    ├── cds
+    │   └── *.binka
+    └── music
+        └── *.binka
+```