Update changelog

Author: benmccann

CHANGELOG.md

@@ -1,5 +1,11 @@
 # rollup-plugin-svelte changelog
 
+## Unpublished
+
+* Types for `generate`, `customElement`, and `preprocess` options ([#111](https://github.com/sveltejs/rollup-plugin-svelte/pull/111), [#114](https://github.com/sveltejs/rollup-plugin-svelte/pull/114), and [#118](https://github.com/sveltejs/rollup-plugin-svelte/pull/118))
+* Utilize Rollup's `emitFile` API. `css.write` is now relative to destination directory ([#72](https://github.com/sveltejs/rollup-plugin-svelte/pull/72))
+* Warning for `package.json` not visible via `exports` ([#119](https://github.com/sveltejs/rollup-plugin-svelte/issues/119))
+
 ## 5.2.3
 
 * Actually publish typings ([#110](https://github.com/sveltejs/rollup-plugin-svelte/issues/110))