Add Emacs desktop provisioning and dev toolchain packages

Install Emacs and copy the desktop .emacs.d config so the editor setup is managed with the rest of desktop dotfiles. Add vterm/build/debug dependencies plus C/C++ and Go tooling needed by the configured workflow.

dotfiles/desktop/.emacs.d/lisp/core/buffer.el

@@ -0,0 +1,21 @@
+;;; buffer.el -*- lexical-binding: t; -*-
+
+(use-package ibuffer
+  :ensure t)
+
+(use-package ibuffer-tramp
+  :ensure t)
+
+(use-package ibuffer-vc
+  :ensure t)
+
+(use-package ibuffer-projectile
+  :ensure t)
+
+(add-hook 'ibuffer-mode-hook
+	  (lambda ()
+	    (ibuffer-projectile-set-filter-groups)))
+
+(provide 'buffer)
+
+;;; buffer.el ends here