Add Colmena to manage systems, use better pathing for smallfetch, use better mountpoints and hostnames from Colema

modules/home/programs/terminal/fastfetch/smallfetch/default.nix

@@ -1,9 +1,11 @@
-{ pkgs, ... }:
+{ config, pkgs, ... }:
 {
-  home.packages = with pkgs; [
+  home.packages = with pkgs; with lib; with config.home; with config.xdg; [
     (writeScriptBin "smallfetch" ''
       #!/bin/sh
-      fastfetch --config ${builtins.toString ./config.jsonc}
+      fastfetch --config ${removePrefix "${homeDirectory}/" configHome}/fastfetch/small.jsonc
     '')
   ];
+
+  xdg.configFile."fastfetch/small.jsonc".source = ./small.jsonc;
 }