Add Glossary Page

[demisx]

Add new public Glossary page to the main Frequency documentation site, so there is one location of domain language terms to reference and maintain moving forward.

Audience: General public

Tasks:

• [ ] Create new Glossary page on [Frequency documentation](site https://github.com/LibertyDSNP/frequency-docs)
• [ ] Publish new Glossary page on the web https://docs.frequency.xyz
• [ ] Review all current documentation places and consolidate glossaries on the new Glossary page

References:

• Frequency Documentation Organization Doc on Google Drive

[wilwade]

@demisx I think we should stick with Frequency specific stuff for the glossary. So I agree that we should leave those out.