added asset conversion script

assets.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+
+NITRO_ENGINE=$DEVKITPRO/nitro-engine
+ASSETS=./assets
+TOOLS=$NITRO_ENGINE/tools
+MD5_TO_DSMA=$TOOLS/md5_to_dsma/md5_to_dsma.py
+GRIT=grit
+
+rm -rf nitrofiles
+mkdir -p nitrofiles
+
+# Chibi model
+python3 $MD5_TO_DSMA \
+    --model $ASSETS/chibi_kp/chibi_kp.md5mesh \
+    --name chibi_kp \
+    --output nitrofiles \
+    --texture 256 256 \
+    --anim $ASSETS/chibi_kp/chibi_kp_spin.md5anim \
+    --skip-frames 1 \
+    --blender-fix
+
+$GRIT \
+    $ASSETS/chibi_kp/chibi_kp_albedo.png \
+    -ftb -fh! -W1 \
+    -onitrofiles/chibi_kp_texture
+
+# Badge Graphic
+mkdir nitrofiles/bmp
+
+$GRIT \
+    $ASSETS/badge_01.jpg -ftb -fh! -gb -fB16
+
+for file in *.bin; do
+    mv -- "$file" "${file%.bin}"
+done
+
+mv *.img nitrofiles/bmp