refactored recent post to align with vocabulary markup

[Queen-codes]

Fixes

• Fixes [Feature] Recent Posts Design #761 by @Kirsty21

Description

This PR refactors the code of the recent blog posts section on the homepage to include vocabulary context for blog posts .

Screenshots

Before

AFTER

Reference

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[TimidRobot]

Good work, thank you!

I resolved the conflicts with vocab-refresh and updated the pull request (PR) so it'll be easier to add the excerpt back in (should we choose to do so):

        <!-- TODO: add excerpt back in -->
        <!--
        <div class="excerpt">
          {% if post.excerpt %}
            {{ post.excerpt }}
          {% else %}
            {{ post.body | excerpt | string | striptags() | truncate(100) }}
          {% endif %}
        </div>
        -->