Examine source code of Hacker News Tab

{
  "manifest_version": 2,
  "name": "Hacker News Tab",
  "version": "1.0.4",
  "description": "Displays Hacker News on every new tab",
  "author": "Zaid Fadhil",
  "icons": {
    "16": "./assets/icon.svg",
    "48": "./assets/icon.svg",
    "96": "./assets/icon.svg",
    "128": "./assets/icon.svg",
    "256": "./assets/icon.svg"
  },
  "browser_action": {
    "default_icon": "./assets/icon.svg",
    "default_title": "Hacker News Tab"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    "index.html",
    "styles/*",
    "scripts/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9f96a756-7945-4827-b62e-bf5ed19e4578}"
    }
  }
}