fix: Incorrect default export of Vite plugin types under TS's Node16 module resolution (#531)

Author: rschristian

.changeset/fluffy-horses-crash.md

@@ -0,0 +1,5 @@
+---
+'@prefresh/vite': patch
+---
+
+Fix for incorrect default export of types under TS's Node16 module resolution

packages/vite/index.d.ts

@@ -1,12 +1,12 @@
 import { FilterPattern } from '@rollup/pluginutils';
 import { Plugin } from 'vite';
 
-export interface Options {
+interface Options {
   parserPlugins?: readonly string[];
   include?: FilterPattern;
   exclude?: FilterPattern;
 }
 
 declare const prefreshPlugin: (options?: Options) => Plugin;
 
-export default prefreshPlugin;
+export = prefreshPlugin;