universeair: nixify *almost* everything

machines/universeair/configuration.nix

@@ -53,7 +53,30 @@ in
       btop
 
       cbqn-replxx
-    ]);    
+
+      # Graphical Apps:
+      firefox
+      rectangle
+      tailscale
+      discord
+      slack
+      # TODO: Consider using Yabai??
+    ]);
+
+    homebrew = {
+      enable = true;
+      # Graphical apps to install through homebrew instead of nixpkgs
+      casks = [
+        "nextcloud"
+        "tidal"
+      ];
+      # Apps to install outside of nix for when wanting to test/run
+      # things that... aren't used by other people who use nix, like
+      # python apps (which is why poetry is there)
+      brews = [
+        "poetry"
+      ];
+    };
 
     # Create /etc/zshrc that loads the nix-darwin environment.
     programs.bash.enable = true;  # default shell on catalina