JA4 Spoofer v1.0.0

Install on Debian/Ubuntu:

sudo dpkg -i ja4-spoofer_*.deb
sudo apt-get install -f   # resolves any missing deps

Then launch with ja4-spoofer or from the applications menu.
On first launch the app extracts its scripts, configs and patches to
~/.ja4-spoofer/runtime/<version>/ — no repository checkout needed.