Update public-facing branding text to match the new positioning strategy

[rihp]

All of our communication channels should transmit the same consistent message for the Web3API brand. Right now we are establishing out positioning through the following channels:

(please lmk if we're missing something else on this list)

• [x] Landing Page https://web3api.dev
• [x] Intro videos
• [x] Twitter https://twitter.com/Web3API
• [x] Telegram Public Channel Pinned Post https://t.me/web3api
• [x] DAO Telegram Channel
• [x] DAO Spec One-pager https://dao.web3api.dev
• [x] Github Organization https://github.com/Web3-API/
• [x] Prototype README.md https://github.com/Web3-API/prototype
• [x] Seed Deck presentation slides and notes
• [x] Web3API Keybase https://keybase.io/team/web3api

One issue #1 is closed, we should update all of the above to share a consistent message