Add @types/node to avoid intellisense errors for "require" statements

Author: SteveSandersonMS

templates/Angular2Spa/package.json

@@ -22,10 +22,11 @@
  "@angular/platform-browser-dynamic": "2.0.0",
  "@angular/platform-server": "2.0.0",
  "@angular/router": "3.0.0",
+ "@types/node": "^6.0.38",
+ "angular2-express-engine": "~2.0.7",
  "angular2-platform-node": "~2.0.7",
  "angular2-universal": "~2.0.7",
  "angular2-universal-polyfills": "~2.0.7",
- "angular2-express-engine": "~2.0.7",
  "aspnet-prerendering": "^1.0.6",
  "aspnet-webpack": "^1.0.11",
  "bootstrap": "^3.3.7",