feat(modules): add server archetype

feat: WIP add "absolutesolver" system and "cyn" user *wink wink*
refactor: clean up some comments and remove empty lines

homes/x86_64-linux/cyn@absolutesolver/default.nix

@@ -0,0 +1,20 @@
+{
+  lib,
+  pkgs,
+  inputs,
+  namespace,
+  ...
+}: with lib; with lib.${namespace};
+{
+  # Declare user packages.
+  home.packages = with pkgs; [
+    ### Runtimes
+    nodejs_22
+    bun
+
+    ### Tools
+    git
+  ];
+
+  home.stateVersion = "24.05";
+}