installs sqlit via uvx after activation

modules/macos/default.nix

@@ -5,6 +5,18 @@
     activationScripts.postActivation.text = ''
       /System/Library/PrivateFrameworks/SystemAdministration.framework/Resources/activateSettings -u
     '';
+    activationScripts.installSqlit = {
+      enable = true;
+      text = ''
+        #!/bin/bash
+
+        if command -v sqlit &> /dev/null; then
+            echo "SQLit already installed."
+        else
+            uvx install --with mariadb --with PyMySQL --with sshtunnel sqlit-tui
+        fi
+      '';
+    };
 
     defaults = {
       NSGlobalDomain."com.apple.swipescrolldirection" = false;