[#49] Fix Typescript types (#52)

* Fix Typescript declaration types

* 2.1.1

Author: marco-prontera

package-lock.json

@@ -1,11 +1,12 @@
 {
   "name": "vite-plugin-css-injected-by-js",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "description": "A Vite plugin that takes the CSS and adds it to the page through the JS. For those who want a single JS file.",
   "main": "dist/cjs/index.js",
   "module": "dist/esm/index.js",
   "exports": {
     ".": {
+      "types": "./dist/esm/declarations/index.d.ts",
       "import": "./dist/esm/index.js",
       "require": "./dist/cjs/index.js"
     }