Added emacs func and keymap for auto-insert directives

Contrib.md

@@ -24,3 +24,51 @@ This works on Docker for Mac as well as a linux system running docker.  I have t
 - `shellcheck -V`
 
 No modification of my editor settings was needed for this to integrate (I checked Vim through syntastic and VSCode).
+
+### Emacs auto-fix script
+
+By [@matthewpersico](https://github.com/matthewpersico)
+
+This function and keymap add the ability to auto-insert the appropriate shellcheck disable directive in your script.
+
+```lisp
+;; The following is thanks to https://github.com/flycheck/flycheck/issues/1436
+(defun shellcheck-disable-error-at-point (&optional pos)
+  "Insert a shellcheck disable directive at the current error in the code."
+  (interactive)
+  (-when-let* ((error (tabulated-list-get-id pos))
+               (buffer (flycheck-error-buffer error))
+               (id (flycheck-error-id error))
+               ;;(message (flycheck-error-message error))
+               )
+    (when (buffer-live-p buffer)
+      (if (eq (window-buffer) (get-buffer flycheck-error-list-buffer))
+          ;; When called from within the error list, keep the error list,
+          ;; otherwise replace the current buffer.
+          (pop-to-buffer buffer 'other-window)
+        (switch-to-buffer buffer))
+      (let ((pos (flycheck-error-pos error)))
+        (unless (eq (goto-char pos) (point))
+          ;; If widening gets in the way of moving to the right place, remove it
+          ;; and try again
+          (widen)
+          (goto-char pos))
+
+        ;; Move to start of line with error position.
+        (beginning-of-line-text)
+
+        ;; The only error I know of where the disable directive is AFTER the
+        ;; error position, not before.
+        (when (string-equal id "SC2148")
+              (forward-line)
+              )
+        ;; Insert the disable line
+        (insert (format "# shellcheck disable=%s\n" id))
+        ;; Indent it
+        (indent-for-tab-command))
+
+      ;; Re-highlight the errors
+      (flycheck-error-list-highlight-errors 'preserve-pos))))
+
+(define-key flycheck-error-list-mode-map (kbd "d") #'shellcheck-disable-error-at-point)
+```