Update docs/guides/airgap/README.md, docs/guides/airgap/k3d.md,...

Package Merge Request

Package Changes

Made minor editing/formatting/punctuation changes to airgap-zarf pages and airgap pages: Airgap, k3d, current pipeline outline, and Synker.

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)

added kinddocs statusreview labels

requested review from @michaelmartin

assigned to @cbowmanclare

requested review from @andrewshoell, @mike.knight, and @chris.oconnell

approved this merge request

changed milestone to %2.33.0

merged

mentioned in commit e6987801