Add batch files for building.

mp_player_model_pack/batch_convert_dds.bat

@@ -0,0 +1,15 @@
+@echo off
+setlocal enabledelayedexpansion
+set MOD_BASE=%cd%
+
+set "executable_path=C:\Users\Jezuz\Desktop\OpenAssetTools\iwi_dds_fast_converter.exe"
+set "directory_path=%MOD_BASE%\images"
+
+for %%F in ("%directory_path%\*") do (
+    if /I "%%~xF"==".dds" (
+        echo Processing file: "%%~dpnxF"
+        echo 1 | "%executable_path%" "%%~dpnxF"
+    )
+)
+
+endlocal