Add option to change content font color (#286)

Tanner Smith

23.01.2021 3b30dfbac339546d9ae6cd185217699f2044b360

 layouts/_default/taxonomy.html

@@ -1,7 +1,7 @@
{{ define "main" }}
  <article class="cf pa3 pa4-m pa4-l">
    <div class="measure-wide-l center f4 lh-copy nested-copy-line-height nested-links nested-img mid-gray">
      <p>{{i18n "taxonomyPageList" .}}</p>
    <div class="measure-wide-l center f4 lh-copy nested-copy-line-height nested-links nested-img {{ $.Param "text_color" | default "mid-gray" }}">
      <p>Below you will find pages that utilize the taxonomy term “{{ .Title }}”</p>
    </div>
  </article>
  <div class="mw8 center">