continuous patchnotes on the guide to the fediverse; formatting help, more tips added to both the main section and the "deeper dive for more info" section.

fediverse page (/cafe/fediverse) patch notes: -added info on spoilering your posts & adding alt text to images -new information about advanced mode on desktop added, for those of us who used tweetdeck -additional screenshots added -added additional dividers to break up chunks of text -courtesy & culture tips i've observed added