Hotkey m to toggle assignment to self

app/views/cards/assignments/new.html.erb

@@ -19,6 +19,7 @@
     <ul class="popup__list" data-filter-target="list">
       <%= render "user", card: @card, user: Current.user, user_label: "Me" do %>
         <span class="visually-hidden"><%= Current.user.name %></span>
+        <kbd class="txt-xx-small hide-on-touch">m</kbd>
       <% end %>
       <%= render collection: @assigned_to, partial: "user", locals: { card: @card } %>
       <% @users.each do |user| %>

app/views/cards/display/common/_assignees.html.erb

@@ -12,6 +12,8 @@
     </span>
   </button>
 
+  <%= button_to "Assign to me", card_assignments_path(card, params: { assignee_id: Current.user.id }), method: :post, data: {controller: "hotkey", action: "keydown.m@document->hotkey#click" }, hidden: true %>
+
   <dialog class="popup panel flex-column align-start gap-half fill-white shadow" data-dialog-target="dialog" data-action="turbo:before-morph-attribute->dialog#preventCloseOnMorphing turbo:submit-end->dialog#close">
     <%= yield %>
   </dialog>