docs: changelog formatting (#753)

Author: bmish

CHANGELOG.md

@@ -1,3 +1,5 @@
+# Changelog
+
 ## [2.2.1](https://github.com/bmish/eslint-doc-generator/compare/v2.2.0...v2.2.1) (2025-06-22)
 
 
@@ -6,6 +8,7 @@
 * no-op for testing release-please ([#739](https://github.com/bmish/eslint-doc-generator/issues/739)) ([0492d97](https://github.com/bmish/eslint-doc-generator/commit/0492d97b56a0ffa42fdb8272b8f32c9ec7a9deca))
 * no-op for testing release-please ([#745](https://github.com/bmish/eslint-doc-generator/issues/745)) ([d40250d](https://github.com/bmish/eslint-doc-generator/commit/d40250d8d2726be423f7871916e20aa590b9386b))
 
+
 ## v2.2.0 (2025-06-19)
 
 #### :rocket: Enhancement