Add icons for soundcloud and wikipedia user links

Add support for big title images
(https://github.com/daattali/beautiful-jekyll/commit/e6cb0a4f546d43f2c121970ac181c0d12ab1242c).
Several bugfixes including pygment_highlights.css dependency, Index page
alignment/containers, and Index page site title. Also renamed
description to subtitle, in line with the original theme.

Created a “static” folder in the exampleSite folder. Added metadata to
“theme.toml”

Initial Checkin of Beautiful Hugo Theme