[Asahi] Move all hyprland related configs under a separate module.

Signed-off-by: jmug <u.g.a.mariano@gmail.com>

home-modules/hyprland/walker.nix

@@ -0,0 +1,16 @@
+{ inputs, ... } : {
+  imports = [
+    inputs.walker.homeManagerModules.default
+  ];
+  programs.walker = {
+    enable = true;
+
+    config = {
+      ui.fullscreen = true;
+      list = {
+        height = 200;
+      };
+      websearch.prefix = "?";
+    };
+  };
+}