Add fresh iPXE build (2026) to project

- Built from latest iPXE git source
- Fixes UEFI initrd handoff bugs present in old 2019 version
- Add tftp/ sync to Makefile deploy target
- Track ipxe.efi in git

Makefile

@@ -36,6 +36,8 @@ deploy: check-nas
 	@echo "Deploying to NAS ($(NAS_HOST):$(NAS_PATH))..."
 	@echo "Syncing http/ directory..."
 	rsync -avz --delete $(SCRIPT_DIR)/http/ $(NAS_HOST):$(NAS_PATH)/http/
+	@echo "Syncing tftp/ directory (iPXE bootloader)..."
+	rsync -avz $(SCRIPT_DIR)/tftp/ $(NAS_HOST):$(NAS_PATH)/tftp/
 	@echo ""
 	@echo "✓ Deployment complete!"
 	@echo "Images are now live on $(NAS_HOST)"