full PC config setup

shifting towards manual symlinks for more complex setup than laptop, allows for GUI settings changes to actually apply, and is much easier than nix-ifying every config

modules/desktop-environments/plasma6.nix

@@ -8,6 +8,10 @@
     enableQt5Integration = true;
   };
 
+  environment.systemPackages = with pkgs.kdePackages; [
+    kcalc
+  ];
+
   environment.plasma6.excludePackages = with pkgs.kdePackages; [
     konsole
     qrca