update changelog

docs/resources/changelog.md

@@ -11,6 +11,7 @@ New versions of Shoelace are released as-needed and generally occur when a criti
 ## Next
 
 - Fixed a bug in `<sl-tree-item>` where `sl-selection-change` was emitted when the selection didn't change [#1030](https://github.com/shoelace-style/shoelace/pull/1030)
+- Improved IntelliSense in VS Code, courtesy of [Burton's amazing CEM Analyzer plugin](https://github.com/break-stuff/cem-plugin-vs-code-custom-data-generator)
 
 ## 2.0.0-beta.85