Markdown-lint: update *.md files

Closes #168 (closed)

added kinddocs needs-attention priority4 statusreview labels

requested review from @cwilliams68067, @kipten, @kylegalloway-seed, @lgomez2, @stephen.galamb, @sarnowski-unicorn, and @wyatt.fry

added teamService Mesh label

assigned to @jfoster

approved this merge request

merged

mentioned in commit d320bd96