Umberfen Online Linux x86_64 client

From a terminal in the extracted directory, run: bash ./run-umberfen.sh
Keep the assets directory beside the launcher and client executable.

Requirements:
- A working audio device.
- 64-bit Linux with glibc 2.34 or newer.
- ALSA runtime library (libasound.so.2), a Vulkan loader/driver, and a desktop display stack.
- On Debian/Ubuntu, the runtime packages are commonly named libasound2 and libvulkan1.
- An internet connection to the configured Umberfen service.

This is an early-development client. The included configuration connects to
production.game.umberfen.com. Runtime settings can be edited in
client_settings.toml. Do not remove the assets directory.
