Examine source code of Simple Weather

{
  "manifest_version": 2,
  "name": "Simple Weather",
  "version": "0.1.2",
  "description": "Easily check the current weather!",
  "homepage_url": "https://github.com/danitrod/simple-weather",
  "icons": {
    "48": "assets/icons/icon48.png"
  },
  "permissions": [
    "geolocation",
    "storage"
  ],
  "options_ui": {
    "page": "src/options/index.html"
  },
  "browser_action": {
    "default_icon": "assets/icons/icon32.png",
    "default_title": "Simple Weather",
    "default_popup": "src/popup/index.html"
  }
}