Improves the installation process by ensuring the target directory
exists and adds a cleanup step to maintain a clean build environment.
- Add directory creation step in the install target to ensure
$(PREFIX)/bin exists before installation.
- Introduce a clean target to remove the code-preloader binary,
preventing stale binaries from affecting future builds.
</message-format>
Signed-off-by: Glenn <glenux@glenux.net>
