* Add transparency information to social preview docs * Apply suggestions from code review * Adding heading * Update content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/customizing-your-repositorys-social-media-preview.md * Fixing 1st tip Co-authored-by: mc <42146119+mchammer01@users.noreply.github.com> Co-authored-by: Ramya Parimi <33761166+ramyaparimi@users.noreply.github.com> Co-authored-by: Kevin Heis <heiskr@users.noreply.github.com>