extra material and simulink creation script

scripts/build.sh

@@ -36,6 +36,15 @@ echo "Cross-compiler: $CXX"
 
 cd "$UI_DIR"
 
+# Prepare assets (fonts, images)
+PREPARE_SCRIPT="$SCRIPT_DIR/prepare_assets.sh"
+if [ -x "$PREPARE_SCRIPT" ]; then
+    echo "Preparing assets..."
+    "$PREPARE_SCRIPT"
+else
+    echo "WARNING: $PREPARE_SCRIPT not found or not executable"
+fi
+
 # Initialize elinux project if not already configured
 if [ ! -d "elinux" ]; then
     echo "Initializing elinux project structure..."