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/misc/vcs.el

@@ -0,0 +1,16 @@
+(use-package magit
+  :ensure t
+  :commands (magit-status magit-log)
+  :init
+  ;; Entry point principale
+  (setq magit-display-buffer-function #'magit-display-buffer-fullframe-status-v1)
+  :config
+  ;; Performance & UX
+  (setq magit-refresh-status-buffer nil)
+  (setq magit-repository-directories
+	'(("~/Projects" . 2)
+	  ("~/Work" . 2))))
+
+(provide 'vcs)
+
+;;; vcs.el ends here