quiterss: init at 0.18.4

[primeos]

Motivation for this change

Add QuiteRSS: "QuiteRSS is a open-source cross-platform RSS/Atom news feeds reader written on Qt/C++"

cc @qknight

Things done

• Tested using sandboxing
  (nix.useSandbox on NixOS,
  or option build-use-sandbox in nix.conf
  on non-NixOS)
• Built on platform(s)
  • NixOS
  • macOS
  • Linux (Gentoo+Nix)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Fits CONTRIBUTING.md.

---

[primeos]

I'm wondering if I should use wrapQtProgram (https://nixos.org/nixpkgs/manual/#ssec-qt-programs), since I'm new to building Qt applications. I currently ignored that since I can use QuiteRSS without any problems.

[qknight]

using wrapQtProgram is a very good idea. i would encourage to do so since i had (and have) lots of problems with QT_PLUGIN_PATH.
for instance VLC and VirtualBox fail a lot. after a while they sometimes start working and they would always start working if i start them with:

QT_PLUGIN_PATH="" vlc