add changelog

Author: mizdra

.changeset/major-friends-pick.md

@@ -0,0 +1,5 @@
+---
+'@css-modules-kit/ts-plugin': minor
+---
+
+chore: migrate modules other than entry points from CJS to ESM

.changeset/sweet-tools-press.md

@@ -0,0 +1,9 @@
+---
+'@css-modules-kit/stylelint-plugin': minor
+'@css-modules-kit/eslint-plugin': minor
+'@css-modules-kit/codegen': minor
+'css-modules-kit-vscode': minor
+'@css-modules-kit/core': minor
+---
+
+chore: migrate from CJS to ESM