Setup Lume website for Sapial.ai

[chrissotraidis]

Use Deno Lume to create a basic website as a github repo. Just host on github pages to start.

Subtasks:

• [x] Sapial website structure
• [x] Shell of website (styles/libraries) ready for devs
• [ ] Finish and polish copy
• [ ] Export code and put it into Deno