Govibe Nexus Video Player Fedora user installer v2

Important:
- For normal user install, run: ./install.sh
- If you accidentally run: sudo ./install.sh
  this v2 installer detects SUDO_USER and installs into the real desktop user's home, not /root.
- For system-wide install only, run: sudo ./install.sh --system

After install, if terminal cannot find govibe-nexus-video-player, run:
export PATH="$HOME/.local/bin:$PATH"
hash -r
govibe-nexus-video-player
