Examine source code of 3D Shopping

{
  "manifest_version": 2,
  "name": "3D Shopping",
  "short_name": "3D Shopping",
  "author": "Jiri Kuba",
  "description": "3D preview of products on supported e-shops",
  "version": "0.10resigned1",
  "icons": {
    "19": "images/icon-19.png",
    "38": "images/icon-38.png",
    "128": "images/icon-128.png"
  },
  "permissions": [
    "tabs",
    "https://sketchfab.com/*",
    "https://ancient-river-18150.herokuapp.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.alza.cz/*",
        "*://*.alza.sk/*"
      ],
      "js": [
        "shared/constants.js",
        "content/shops/alza.content.js",
        "content/contentBase.js",
        "content/statusWritter.js",
        "content/app.js"
      ],
      "css": [
        "content/styles/3d.shopping.styles.css"
      ]
    },
    {
      "matches": [
        "*://*.amazon.com/*",
        "*://*.amazon.de/*"
      ],
      "js": [
        "shared/constants.js",
        "content/shops/amazon.content.js",
        "content/contentBase.js",
        "content/statusWritter.js",
        "content/app.js"
      ],
      "css": [
        "content/styles/3d.shopping.styles.css"
      ]
    },
    {
      "matches": [
        "*://*.czc.cz/*"
      ],
      "js": [
        "shared/constants.js",
        "content/shops/czc.content.translations.js",
        "content/shops/czc.content.js",
        "content/contentBase.js",
        "content/statusWritter.js",
        "content/app.js"
      ],
      "css": [
        "content/styles/3d.shopping.styles.css"
      ]
    },
    {
      "matches": [
        "*://*.ebay.com/*"
      ],
      "js": [
        "shared/constants.js",
        "content/shops/ebay.content.js",
        "content/contentBase.js",
        "content/statusWritter.js",
        "content/app.js"
      ],
      "css": [
        "content/styles/3d.shopping.styles.css"
      ]
    },
    {
      "matches": [
        "*://*.kytary.cz/*",
        "*://kytary.cz/*"
      ],
      "js": [
        "shared/constants.js",
        "content/shops/kytary.content.js",
        "content/contentBase.js",
        "content/statusWritter.js",
        "content/app.js"
      ],
      "css": [
        "content/styles/3d.shopping.styles.css"
      ]
    },
    {
      "matches": [
        "*://*.nike.com/*"
      ],
      "js": [
        "shared/constants.js",
        "content/shops/nike.content.js",
        "content/contentBase.js",
        "content/statusWritter.js",
        "content/app.js"
      ],
      "css": [
        "content/styles/3d.shopping.styles.css"
      ]
    },
    {
      "matches": [
        "*://*.aliexpress.com/item/*"
      ],
      "js": [
        "shared/constants.js",
        "content/shops/aliexpress.content.js",
        "content/contentBase.js",
        "content/statusWritter.js",
        "content/app.js"
      ],
      "css": [
        "content/styles/3d.shopping.styles.css"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "19": "images/icon-19.png",
      "38": "images/icon-38.png",
      "128": "images/icon-128.png"
    }
  },
  "background": {
    "scripts": [
      "shared/config.js",
      "shared/constants.js",
      "background/services/cacheService.js",
      "background/services/apiCalls.js",
      "background/services/BEDataProvider.js",
      "background/services/objectService.js",
      "background/services/contentScriptDataProvider.js",
      "background/services/badgeService.js",
      "background/services/serviceContainer.js",
      "background/background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d5b3bc20-c1c1-4e2b-a3b7-cf012602568e}"
    }
  }
}