message: docs(packaging): update homepage in
  Motivation: `yarn outdated`, for exmaple, shows the homepage URL on the command line. If copy-pasting or clicking on the URL, it's nice to see the repo's page instead of a 404.
diff: "name": "@angular/tsc-wrapped",
  "version": "4.2.0",
  "description": "Wraps the tsc CLI, allowing extensions.",
  - "homepage": "https://github.com/angular/angular/tree/master/tools/tsc-wrapped",
  + "homepage": "https://github.com/angular/angular/blob/master/tools/@angular/tsc-wrapped",
  "bugs": "https://github.com/angular/angular/issues",
  "contributors": [
  "Alex Eagle <alexeagle@google.com>",
  