Support updated emacs

Finally ported my up-to-date emacs configuration here. I was putting
this off for a long while, unsure of how to handle all of the work. All
it took was my laptop being fried to force me to do this. So... voila!

emacs.d/wpc/packages/wpc-slack.el

@@ -0,0 +1,65 @@
+;;; slack.el --- Slack settings -*- lexical-binding: t -*-
+;; Author: William Carroll <wpcarro@gmail.com>
+
+;;; Commentary:
+;; Wrangling the Slack client in Emacs
+
+;;; Code:
+
+;; Griffin's Slack plugin
+;;(defconst slack/token (wpc/read-file-as-string "~/dotfiles/configs/secrets/slack_token.txt"))
+;;(defconst wpc/slack-client-secret (wpc/read-file-as-string "~/dotfiles/configs/secrets/slack-client-secret"))
+(defconst wpc/slack-client-secret "uncomment above line one day")
+(load-file "~/.emacs.d/vendor/slack-snippets.el")
+
+;; Slack client
+(use-package slack
+  :general
+  (n slack-info-mode-map
+     :prefix ","
+     "u" 'slack-room-update-messages)
+  (n slack-mode-map
+     :prefix ","
+     "c"  'slack-buffer-kill
+     "ra" 'slack-message-add-reaction
+     "rr" 'slack-message-remove-reaction
+     "rs" 'slack-message-show-reaction-users
+     "pl" 'slack-room-pins-list
+     "pa" 'slack-message-pins-add
+     "pr" 'slack-message-pins-remove
+     "mm" 'slack-message-write-another-buffer
+     "me" 'slack-message-edit
+     "md" 'slack-message-delete
+     "u"  'slack-room-update-messages
+     "2"  'slack-message-embed-mention
+     "3"  'slack-message-embed-channel)
+  (n slack-mode-map
+     "C-n" 'slack-buffer-goto-next-message
+     "C-p" 'slack-buffer-goto-prev-message)
+  (n slack-edit-message-mode-map
+     :prefix ","
+     "k" 'slack-message-cancel-edit
+     "s" 'slack-message-send-from-buffer
+     "2" 'slack-message-embed-mention
+     "3" 'slack-message-embed-channel)
+  :commands (slack-start)
+  :init
+  (setq slack-buffer-emojify t) ;; if you want to enable emoji, default nil
+  (setq slack-prefer-current-team t)
+  :config
+  (add-hook 'slack-mode-hook (disable company-mode))
+  (setq slack-buffer-function #'switch-to-buffer)
+  (slack-register-team
+   :name "urbint"
+   :default t
+   :client-id "william@urbint.com"
+   :client-secret wpc/slack-client-secret
+   :token slack-token
+   :subscribed-channels '(dev dev_questions general random recruiting)
+   :full-and-display-names t))
+
+(use-package circe)
+(use-package emojify)
+
+(provide 'wpc-slack)
+;;; wpc-slack.el ends here