[e.cash] Trusted by section additions

Summary:
Adding sideshift, changenow, and nownodes to the trusted by section on homepage as requested
Also adjusting upbit image so its not so much larger than the other logos

Test Plan: preview and check

Reviewers: #bitcoin_abc, bytesofman

Reviewed By: #bitcoin_abc, bytesofman

Differential Revision: https://reviews.bitcoinabc.org/D18775