Add helpful package for better help information

modules/help/siren-helpful.el

@@ -0,0 +1,20 @@
+;;; siren-helpful.el --- jimeh's Emacs Siren: helpful configuration.
+
+;;; Commentary:
+
+;; Basic configuration for helpful.
+
+;;; Code:
+
+(use-package helpful
+  :bind
+  ("C-h k" . helpful-key)
+  ("C-h f" . helpful-callable)
+  ("C-h v" . helpful-variable)
+  ("C-h C" . helpful-command)
+  ("C-h F" . helpful-function)
+  (:map emacs-lisp-mode-map
+        ("C-c C-d" . helpful-at-point)))
+
+(provide 'siren-helpful)
+;;; siren-helpful.el ends here