docs: add github release link

nperez0111 · nperez0111 · commit 882037426663 · 2025-04-07T13:30:58.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -46,4 +46,8 @@
 
 - Martinrsts @Martinrsts
 - Matthew Lipski @matthewlipski
-- Nick Perez
+- Nick Perez
+
+## Previous Versions
+
+See [Github Releases](https://github.com/TypeCellOS/BlockNote/releases) for previous versions.
