[e.cash] Wallets page design update

Summary:
Updates to the wallets page design to make it easier to consume, and make device compatiblity and features of
each wallet more clear

Test Plan: preview the site and check out /wallets. Does it look better? Open to design feedback

Reviewers: #bitcoin_abc, bytesofman

Reviewed By: #bitcoin_abc, bytesofman

Subscribers: bytesofman

Differential Revision: https://reviews.bitcoinabc.org/D15237