Add complete uncompressed asset files + archive

- Extracted all 13,555 files from files.7z (1.2GB uncompressed)
- Includes: vehicles, tracks, audio, textures, UI, manifests
- Also kept files.7z for easy download
- Full working directory for asset development

files/apk/res/gui_assets/480x320/splash/loading/tv/sprites.android.atlas

@@ -0,0 +1,10 @@
+<atlas_images texture_formats=".ptc.pvr .atc.dds .dxt.dds .etc.dds" linear_filter="True" hash="Ob1TZjnlt1QbyI4errcjLA">
+  <image name="download_background.png" ver="0" width="480" height="270">
+    <pos id="0" x="0" y="0"/>
+    <hash val="uEXfvnlmRD3yRNhjk0gsOA"/>
+  </image>
+  <image name="download_blurr_background.png" ver="0" width="480" height="270">
+    <pos id="0" x="480" y="0"/>
+    <hash val="zmOX2GKIg0BCnWeYCDQMJw"/>
+  </image>
+</atlas_images>