add ncurses and alire

+ ncurses: pick up termcap for ghostty
+ alire/gpr/gnat: do ada stuff

configs/desktop-packages.nix

@@ -7,6 +7,7 @@
   # $ nix search wget
   environment.systemPackages = with pkgs; [
     adafruit-nrfutil
+    alire
     arduino
     arduino-cli
     arduino-ide
@@ -26,8 +27,11 @@
     fira-code
     firefox
     ghostty
+    gnat15
     gnome-disk-utility
     go-font
+    gnat15Packages.gpr2
+    gnat15Packages.gpr-build
     graphviz
     i3
     i3lock