Add blog post about new brand

[thetwopct]

Figma blog post WIP blog post

• [ ] revisit/update content @GarethAcidWorks
• [ ] update images to fit 900px blog formatting (blog posts not the same as pages) @GarethAcidWorks
• [ ] finalise/sign off copy? Charley? TBD
• [ ] export images text and add to blog post - James? Chris? TBD

The blog talks about the merchandise store, which is almost finished, so we should launch the piece as soon as the store is relaunched, tracking under #589 Part of the design layout calls for rounded style headshots, which is a custom block style also used on the revised Phippy page, currently blocked by #619

[cjyabraham]

The moment for this has now passed.