docs(release-highlights): Adds release highlights for 5.2 release. (p…

…atternfly#3853)

* docs(releases): Adds release highlights for v5.2

* docs(release-highlights): Adds release highlights for 5.2 release.

* Update packages/documentation-site/patternfly-docs/content/get-started/release-highlights.md

Co-authored-by: Michael Coker <35148959+mcoker@users.noreply.github.com>

* Adds more highlights.

* Adds coming soon section.

* Update packages/documentation-site/patternfly-docs/content/get-started/release-highlights.md

Co-authored-by: Michael Coker <35148959+mcoker@users.noreply.github.com>

* Update packages/documentation-site/patternfly-docs/content/get-started/release-highlights.md

Co-authored-by: Michael Coker <35148959+mcoker@users.noreply.github.com>

---------

Co-authored-by: Michael Coker <35148959+mcoker@users.noreply.github.com>

packages/documentation-site/patternfly-docs/content/get-started/release-highlights.md

@@ -23,4 +23,4 @@ In order to support PatternFly 6, and any future visual theming capabilities, we
 
 Our tokens cover both dark and light themes, and make it easier to support both in your product. We also updated our [dark theme handbook](/developer-resources/dark-theme-handbook) to align with our tokens.
 
-**Note:** The PatternFly 5 design library is not built with tokens. To take advantage of our token system, you must [upgrade your product to PatternFly 6.](/get-started/upgrade)
+**Note:** The PatternFly 5 design library is not built with tokens. To take advantage of our token system, you must [upgrade your product to PatternFly 6.](/get-started/upgrade)