Add SimpleX Chat links, Monero address highlight, and fix dual-install conflict#13

SlowBearDigger wants to merge 3 commits into

retrnull:mainretrnull/garnet:mainfrom

SlowBearDigger:feature/simplex-and-monero-highlightSlowBearDigger/garnet:feature/simplex-and-monero-highlightCopy head branch name to clipboard