bdfr-browser/priv/templates/http/index.eex

<h2>Archived Subreddits</h2>

<div class="row text-center">
  <div class="d-grid gap-2 col-12 mx-auto">
    <a class="btn btn-outline-primary btn-lg" href="/chats" role="button">Chats</a>

    <%= for subreddit <- subreddits do %>
      <a class="btn btn-outline-secondary btn-lg" href="/r/<%= subreddit %>" role="button"><%= subreddit %></a>
    <% end %>
  </div>
</div>