Edits to BCHA page

Summary:
Making a few tweaks to the page as requested

• Change title to 'Bitcoin ABC'
• Add https://tokendb.kingbch.com/ to infrastructure listings
• Hide the footer form only on this page

Test Plan: Review live

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D8511