apps: add direnv pkg and load in zsh

hosts/configuration_desktop.nix

@@ -111,6 +111,7 @@
       powerline-fonts
       powerline-symbols
       tree
+      direnv
     ];
   };
 

modules/shell/zsh.nix

@@ -39,6 +39,7 @@
 #       emulate zsh -c "$(direnv hook zsh)"
         # Swag
         pfetch                                  # Show fetch logo on terminal start
+        eval "$(direnv hook zsh)"
       '';
     };
   };