Update homepage/website to sell to both customers and node ops

[gruns]

WIP design and copy, created by subvisual and drafted by alex for the portal, which will be turned repurposed to homepage design + copy

• [ ] @gruns: review copy
• [ ] @gruns: repurpose and finalize design for the homepage
• [ ] @guanzo: implement the design + copy into the website

[guanzo]

Left some comments on the notion doc, please advise. https://www.notion.so/pl-strflt/Copy-review-e1b84b9f8fdb40dbbb8feca4f8e4c46f

[reidlw]

Calling this done. We're tracking stuff moving forwards with more granular issues.