Add node/types to fix compile time error

Kept encountering this error when compiling:

node_modules/commander/typings/index.d.ts:26:25 - error TS2689: Cannot
extend an interface 'NodeJS.EventEmitter'. Did you mean 'implements'?

Had the add node/types specifically for version 12

tj/commander.js#787
DefinitelyTyped/DefinitelyTyped@c47a34e#r36559684

cli/package.json

@@ -62,6 +62,7 @@
     "@types/inquirer": "0.0.35",
     "@types/jest": "^23.3.9",
     "@types/mock-fs": "^3.6.30",
+    "@types/node": "12.12.21",
     "@types/open": "^6.1.0",
     "@types/ora": "^1.3.1",
     "@types/semver": "^5.4.0",