docs: add comprehensive documentation for AI agents, chezmoi workflow, shell setup, desktop configuration, terminal multiplexers, and developer tools

docs/desktop/meta.ts

@@ -0,0 +1,7 @@
+import { defineMeta } from "blume";
+
+export default defineMeta({
+  title: "Desktop",
+  icon: "monitor",
+  pages: ["index", "niri", "hyprland", "waybar", "fonts-and-apps"],
+});