+ ("C-c r a" . slack-message-add-reaction)
+ ("C-c r r" . slack-message-remove-reaction)
+ ("C-c r s" . slack-message-show-reaction-users)
+ ("C-c p l" . slack-room-pins-list)
+ ("C-c p a" . slack-message-pins-add)
+ ("C-c p r" . slack-message-pins-remove)