[website] Add Hardware Wallet Workarounds article

Summary: Based on Cassandra video: https://youtu.be/N1htZtX4LGk

Test Plan: Ran it locally and read through the article

Reviewers: emack, #bitcoin_abc, Fabien

Reviewed By: emack, #bitcoin_abc, Fabien

Maniphest Tasks: T1785

Differential Revision: https://reviews.bitcoinabc.org/D11000