Examine source code of SimpleLiveCrypto

{
  "name": "SimpleLiveCrypto",
  "author": "Frédéric Pavageau",
  "version": "0.2resigned1",
  "homepage_url": "https://github.com/frederiiiic/SimpleLiveCrypto",
  "description": "The extension to provide live data from CoinMarketCap the easiest way on the browser.",
  "lang": "en",
  "manifest_version": 2,
  "applications": {
    "gecko": {
      "id": "fredericpavageau@gmail.com"
    }
  },
  "background_color": "MintCream",
  "browser_action": {
    "default_title": "SimpleLiveCrypto",
    "default_popup": "popup.htm",
    "default_icon": {
      "16": "ico16.png",
      "32": "ico32.png",
      "38": "ico38.png",
      "64": "ico64.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage"
  ]
}