Transfer programs from system to user and added some other programs

Transfer the following programs from system nix config to home-manager:
hyprshutdown, wlogout, grim, slurp, ignition, brave, and kitty. Added
blender, llama-cpp, and the pi agent harness.

home.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ pkgs, ... }:
 
 {
   imports = [
@@ -76,6 +76,14 @@
 			'';
 		})
 		awww
+		llama-cpp-rocm
+		pi-coding-agent
+		blender
+		hyprshutdown
+		wlogout
+		grim
+		slurp
+		ignition
   ];
 
   # theming
@@ -152,6 +160,13 @@
 			};
 		};
 		libreoffice.enable = true;
+		brave.enable = true;
+		kitty = true;
+	};
+
+	nixpkgs.config = {
+    allowUnfree = true;
+    rocmSupport = true;
 	};
 
   # Home Manager is pretty good at managing dotfiles. The primary way to manage