misc: zed editor, try to get scream working, other small changes

home/apps.nix

@@ -5,6 +5,7 @@
   imports = [
     ./apps/firefox.nix
     ./apps/syncthing.nix
+    ./apps/zed.nix
   ];
 
   home.packages = [
@@ -23,7 +24,7 @@
     pkgs.libreoffice
     pkgs.gimp
     pkgs.krita
-    pkgs.okular
+    pkgs.kdePackages.okular
     pkgs.localsend
 
     pkgs.ffmpeg # Generally useful
@@ -49,6 +50,7 @@
     #pkgs.zed-editor
 
     pkgs.obsidian
+    pkgs.quickemu
   ];
 
   programs.mpv.enable = true; # media player