Implement marketing site design
This MR builds on !42 (closed) and !43 (closed), and tasks from larrybotha/mooc-floss#1 (closed), and includes the full implementation of the marketing site's design.
Fonts are currently requested from Google Fonts.
This MR also contains updates to the .gitlab-ci.yml. These changes include:
- running pipelines only when there are changes to files in the
marketing-sitefolder - building previews of the marketing site for each pipeline. Builds can be viewed by visiting
$CI_PAGES_URL/$CI_PIPELINE_ID. e.g. https://mooc-floss.gitlab.io/mooc-floss/:pipeline_id
Addresses #26 (closed)
Edited by Jillian Vogel