Styling/copy

[parkan]

Replace branding + copy + style with mediachain

[parkan]

sorry tg ui glitched out, didn't mean to add you to this

[yusefnapora]

TODO on this:

• change background image & text styles
• fix Download button (still links to openbazaar)
• remove OB youtube tutorial videos
• remove OB assets from project (logo, etc)
• make a digital ocean referral link and use it instead of the openbazaar link 😄

[denisnazarov]

Thanks Caleb!