docs: Add PublishSubject description to README#720

Open

JosteveGit wants to merge 3 commits intoReactiveX:masterfrom

JosteveGit:add-publishsubject-description

Commits on Apr 30, 2023

Commits on May 10, 2023

update: changed 'two' to 'three' in the readme subjects description
JosteveGit
committed