Add release notes for documentation contributions

CHANGELOG.txt

@@ -39,6 +39,9 @@ Changelog
  * Docs: Add links to treebeard documentation for relevant methods (Temidayo Azeez)
  * Docs: Add clarification on where to register entity plugins (ChickenF622)
  * Docs: Fix logo in README not being visible in high-contrast mode (Benita Anawonah)
+ * Docs: Improve 'first wagtail site' tutorial (Akua Dokua Asiedu)
+ * Docs: Grammatical adjustments of `page models` usage guide (Damilola Oladele)
+ * Docs: Add class inheritance information to StreamField block sreference (Temidayo Azeez)
  * Maintenance: Remove unsquashed `testapp` migrations (Matt Westcott)
  * Maintenance: Upgrade to Node 18 for frontend build tooling (LB (Ben) Johnston)
  * Maintenance: Run Python tests with coverage and upload coverage data to codecov (Sage Abdullah)

docs/releases/4.2.md

@@ -55,6 +55,9 @@ depth: 1
  * Add links to treebeard documentation for relevant methods (Temidayo Azeez)
  * Add clarification on where to register entity plugins (ChickenF622)
  * Fix logo in README not being visible in high-contrast mode (Benita Anawonah)
+ * Improve 'first wagtail site' tutorial (Akua Dokua Asiedu)
+ * Grammatical adjustments of `page models` usage guide (Damilola Oladele)
+ * Add class inheritance information to StreamField block sreference (Temidayo Azeez)
 
 ### Maintenance