fix: specify the files to include in the package (#214)

Author: XhmikosR

package.json

@@ -3,6 +3,9 @@
   "version": "2.0.5",
   "description": "A library to fetch release binaries from GitHub Releases",
   "main": "dist/index.js",
+  "files": [
+    "dist/*.{js,ts}"
+  ],
   "scripts": {
     "prepublishOnly": "npm ci && run-s build test",
     "test": "jest",