Add magit_todos configuration bits

this is the beginning of the configuration for LaTeχ

custom.el

@@ -93,7 +93,9 @@
    '(org-inline-pdf nov magit magit-todos monkeytype org-ql helm-xref slack treesit-auto org-roam elfeed jeison dired-du lua-mode geiser-guile adaptive-wrap excorporate helm-ag helm-projectile org-journal async with-editor treepy s popup epl pkg-info pcre2el dash f password-store hl-todo graphql ghub git-commit flycheck helm-core git-gutter markdown-mode aggressive-indent pass helm-flycheck helm))
  '(parens-require-spaces nil)
  '(safe-local-variable-values
-   '((org-image-actual-width 780)
+   '((magit-todos-exclude-globs "_region_.tex")
+     (magit-todos-keyword-suffix . "")
+     (org-image-actual-width 780)
      (gac-automatically-push-p . t)
      (org-heading-cycle-list
       ("Cleanup [[file:~/work/][work]] dir" "Cleanup [[file:~/][home]] dir" "Cleanup [[file:~/Nextcloud][nextcloud]] dir"))