Examine source code of PippiTrack

{
  "manifest_version": 2,
  "name": "PippiTrack",
  "version": "1.1.0",
  "description": "Allows you to send new top plays to Discord when visiting osu! profiles",
  "browser_action": {
    "default_icon": "./public/icon-512.png",
    "default_popup": "./dist/popup/index.html"
  },
  "options_ui": {
    "page": "./dist/options/index.html",
    "open_in_tab": true,
    "chrome_style": false
  },
  "background": {
    "scripts": [
      "./dist/background/index.global.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://osu.ppy.sh/users/*",
        "https://osu.ppy.sh/users/*"
      ],
      "js": [
        "./dist/content/index.global.js"
      ]
    }
  ],
  "icons": {
    "16": "./public/icon-512.png",
    "48": "./public/icon-512.png",
    "128": "./public/icon-512.png"
  },
  "permissions": [
    "tabs",
    "identity",
    "storage",
    "http://osu.ppy.sh/*",
    "https://osu.ppy.sh/*"
  ]
}