Patch getting started docs formatting and remove section on x64 requirement for Mac#218

harry-cpp merged 1 commit intoMonoGame:mainMonoGame/docs.monogame.github.io:mainfrom

SimonDarksideJ:fix/removemac-x64SimonDarksideJ/docs.monogame.github.io:fix/removemac-x64Copy head branch name to clipboard