Update docs/FAQ.md, blog/big-bang-2-0.md, blog/dev-bigbang-mil-certificate.md,...

Package Merge Request

Package Changes

Formatting, grammar, punctuation, basic editing, and acronym changes made to: Big Bang README page, Big Bang Contributing page, Understanding Big Bang: FAQ page, Blog: Big Bang 2.0, Blog: Big Bang Mil Domain

Package MR

(Link to Package MR here)

For Issue

Closes (link to issue here)

Upgrade Notices

(Include any relevant notes about upgrades here or write "N/A" if there are none)