* feat: first pass at CTA Tag
* fix: strip_tags before using the link
* default hover
* feat: add the type of cta
* feat: add own ltag by copying the utility class
* feat: rename property to style
* feat: add style and width
* feat: add xit test
* feat: add spec for unordered options
* chore: some css
* feat: update the cta spec to remove style and width options
* feat: move billboard related code out of widgets
* fix: mobile display ad below the comments section
* feat: cta_tag strip tags input
* feat: update the editor docs
* feat: add help text to teh liquid guide and the editor guide
* feat: fix the css styles of the CTA
* cgore: alphabetical order
* chore: move everything on one line
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Co-authored-by: Mac Siri <mac@forem.com>