Update LoopTips

[marionbarker]

Update some site features so pages can be deployed.

• add publish action
• modify site theme to material
• update some links
• update primary color
• fix a few pages where links did not work or needed to be modified
• update home page to remove out-dated pump references
• added space after !!! for admonitions

List of files modified or added with this update:

A       .github/workflows/publish.yml
M       docs/algorithm/bolus.md
M       docs/algorithm/prediction.md
M       docs/algorithm/temp-basal.md
A       docs/css/extra.css
A       docs/css/primary-color.css
M       docs/data/nightscout.md
M       docs/data/tidepool.md
M       docs/how-to/high-bg.md
M       docs/how-to/iob.md
M       docs/how-to/think-like-loop.md
M       docs/index.md
M       docs/settings/settings.md
M       mkdocs.yml
M       requirements.txt