Update configs

thor.nix

@@ -43,7 +43,7 @@
 
       arandr
       authy
-      blender
+      (blender.override { cudaSupport = true; })
       btop
       catgirl # IRC
       cava
@@ -60,10 +60,9 @@
       gnomeExtensions.dash-to-dock
       gnomeExtensions.dynamic-panel-transparency
       gnomeExtensions.just-perfection
+      gnomeExtensions.gtile
       gnome.file-roller
       gnome.geary
-      gnome.ghex
-      gnome.gitg
       gnome.gnome-screenshot
       gnome.gnome-sound-recorder
       gnome.gnome-sudoku
@@ -83,6 +82,7 @@
       keepassxc
       krita
       # lutris
+      mangohud
       mpv
       neofetch
       nix-prefetch-scripts