fix(lib): wrong types file reference in lib package.json (#109)

Co-authored-by: Julien Déramond <[email protected]>

package.json

@@ -9,7 +9,7 @@
     "./dist/**/*"
   ],
   "main": "./dist/ods-charts.js",
-  "types": "./dist/ods-charts.d.js",
+  "types": "./dist/index.d.ts",
   "scripts": {
     "build": "webpack",
     "netlify": "npm run build ; cp -R dist docs/ ; npm run typedoc",