Examine source code of HnUserNotes

{
  "manifest_version": 2,
  "name": "HnUserNotes",
  "version": "0.1",
  "description": "Keep private notes on HN users",
  "icons": {
    "512": "icon-512.png"
  },
  "permissions": [
    "https://news.ycombinator.com/*",
    "storage",
    "unlimitedStorage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://news.ycombinator.com/*"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "browser_style": true,
    "open_in_tab": true
  }
}