fix: package setup

Author: kay-schecker

package.json

@@ -66,8 +66,9 @@
     "typescript": "4.0.5"
   },
   "files": [
-    "./dist"
+    "dist/**"
   ],
+  "types": "./dist/main.d.ts",
   "main": "./dist/main.js",
   "jest": {
     "moduleFileExtensions": [