fixes

changelog:
 - wezterm always starts as new process now
 - deleted `hardware-configuration.nix`
 - added some fetchers
 - commented `nur`
 - disabled `opengl`
 - added qt theme inherited from gtk
 - removed deprecated notes about Yubikey from the README

nixos/info-fetchers.nix

@@ -6,11 +6,13 @@
     onefetch
     ipfetch
     cpufetch
+    ramfetch
     starfetch
     octofetch
     htop
     bottom
     btop
+    zfxtop
     kmon
 
     # vulkan-tools