Add .gitignore, clean up build artifacts, add test scripts and configuration files

test-boot.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+# Test script to boot the simple-cli image (headless)
+
+echo "Testing simple-cli bootable image..."
+echo "Image: simple-cli.qcow2"
+echo "Size: $(ls -lh simple-cli.qcow2 | awk '{print $5}')"
+
+# Test boot with QEMU (headless with kernel/initrd)
+echo "Testing boot process (headless with direct kernel boot)..."
+echo "You should see the kernel boot process directly!"
+echo "Press Ctrl+C to stop the VM when done testing."
+
+qemu-system-x86_64 \
+    -m 2G \
+    -smp 2 \
+    -drive file=simple-cli.qcow2,format=qcow2 \
+    -boot c \
+    -nographic \
+    -serial mon:stdio \
+    -append "console=ttyS0 root=/dev/sda1 rw" \
+    -kernel image-fs/boot/vmlinuz-6.12.38+deb13-amd64 \
+    -initrd image-fs/boot/initrd.img-6.12.38+deb13-amd64
+
+echo "Test complete!"