Add ability to remove **Previous** and **Next** buttons on all 'index' pages
2.3.0
Adding ability to remove the right-side menu.
2.2.5
Updated how to set Medallia variables (**subsite** and **version**).
2.2.4
Add `sidebar_toc_maxdepth` as a new `html_theme_options`. This is to configure `maxdepth` for the main page and sidebar separately.
2.2.3
Adding "Last Updated" entry for all pages.
2.2.2
Fixing `admonition` entry in `f5-theme.css` where `background-color` is the same as font color. Added default `border-bottom` in `.admonition>.admonition-title` entry.