add gui, mail and programming language settings

settings/filetype-settings.el

@@ -0,0 +1,27 @@
+;;; filetype-settings.el --- Summary  -*- lexical-binding: t -*-
+
+;;; Commentary:
+
+;;; Requirements:
+;;  markdown-mode https://melpa.org/#/markdown-mode
+;;  sql-indent https://elpa.gnu.org/packages/sql-indent.html https://github.com/alex-hhh/emacs-sql-indent
+;;    sqlup-mode also?
+;;  systemd https://melpa.org/#/systemd
+
+;;; Code:
+
+(use-package markdown-mode
+  :commands markdown-mode
+  :mode "\\.md\\'")
+
+(use-package sql-indent
+  :load-path (lambda() (concat user-emacs-directory "lisp/sql-indent"))
+  :commands sqlind-minor-mode)
+
+(use-package systemd
+  :load-path (lambda() (concat user-emacs-directory "lisp/systemd"))
+  :commands systemd-mode
+  :mode (("\\.service\\'" . systemd-mode) ("\\.mount\\'" . systemd-mode)))
+
+(provide 'filetype-settings)
+;;; filetype-settings.el ends here