feat: add email integration with mu4e and protonmail-bridge

- Configure mu4e in Doom Emacs with Proton mail account
- Add protonmail-bridge service and mbsync/msmtp for mail sync
- Integrate sops-nix for secrets management (mail password)
- Create mail.nix with full IMAP/SMTP configuration
- Add ComfyUI user service module
- Add custom ASCII banner for Doom dashboard
- Enable nix module in Doom Emacs
- Add force-quit gnome extension
- Ignore secrets directory in git
- also add comfy-ui

home-manager/emacs/doom/config.el

@@ -1,7 +1,18 @@
 ;;; $DOOMDIR/config.el -*- lexical-binding: t; -*-
+;; Add NixOS mu4e to load-path
+(let ((mu4e-dir (car (file-expand-wildcards "~/.nix-profile/share/emacs/site-lisp/elpa/mu4e-*"))))
+  (when mu4e-dir
+    (add-to-list 'load-path mu4e-dir)))
 
 (add-hook 'scheme-mode-hook #'smartparens-strict-mode)
 
+(defun my-doom-ascii-banner ()
+  (let ((banner-file (expand-file-name "banner.txt" doom-user-dir)))
+    (when (file-exists-p banner-file)
+      (insert-file-contents banner-file))))
+
+(setq +doom-dashboard-ascii-banner-fn #'my-doom-ascii-banner)
+
 (use-package! lsp-mode
   :config
   (add-to-list 'lsp-language-id-configuration '(fennel-mode . "fennel"))
@@ -45,3 +56,22 @@
 (map! :desc "Toggle terminal (vterm)"
       "C-~" #'vterm)
 
+(after! mu4e
+  (setq mu4e-get-mail-command "mbsync -a"
+        mu4e-update-interval 300
+        mu4e-maildir "~/Maildir"
+        mu4e-change-filenames-when-moving t
+        sendmail-program "msmtp"
+        send-mail-function #'sendmail-send-it
+        message-sendmail-f-is-evil t
+        message-sendmail-extra-arguments '("--read-envelope-from")
+        message-send-mail-function #'message-send-mail-with-sendmail)
+
+  (set-email-account! "Proton"
+    '((mu4e-sent-folder       . "/proton/Sent")
+      (mu4e-drafts-folder     . "/proton/Drafts")
+      (mu4e-trash-folder      . "/proton/Trash")
+      (mu4e-refile-folder     . "/proton/Archive")
+      (user-mail-address      . "th.spo@pm.me")
+      (user-full-name         . "Thiago Sposito"))
+    t))