build(typescript): 🚨 add @types dep to satisfy typescript errors

Typescript linter had an error that `require` was undefined.
This happened after updating Nodejs from 14.15 to 14.16.
Not sure if this should be a global dep or local

package.json

@@ -30,6 +30,7 @@
   },
   "homepage": "https://github.com/PrismarineJS/prismarine-template#readme",
   "devDependencies": {
+    "@types/node": "^14.14.35",
     "jest": "^26.6.3",
     "require-self": "^0.2.3",
     "typescript": "^4.2.3"