add direnv and rpi imager

nate/desktop-configuration.nix

@@ -73,6 +73,7 @@ in
         installGaming = deskCfg.installGaming;
         systemPackages = with pkgs; [
           libreoffice
+          rpi-imager
         ];
     };
    

nate/modules/home-manager/home.nix

@@ -157,6 +157,15 @@
       userName = fullName;
   };
 
+  programs = {
+    direnv = {
+      enable = true;
+      enableZshIntegration = true; # see note on other shells below
+      nix-direnv.enable = true;
+    };
+
+    bash.enable = true; # see note on other shells below
+  };
   # Zsh setup
   programs.zsh = {
       enable = true;
@@ -166,6 +175,7 @@
           theme = "half-life";
       };
       initExtra = ''
+          eval "$(direnv hook zsh)"
           alias ask="nix-shell -p python310Packages.openai --run 'python ~/source/python/chat.py'"
 
           fzf_projects() {