Examine source code of Heyshops

{
  "name": "Heyshops",
  "short_name": "Heyshops",
  "version": "0.1.9resigned1",
  "manifest_version": 2,
  "description": "Finde Klamotten in Shops in Deiner Umgebung.",
  "icons": {
    "16": "images/icon-16.png",
    "128": "images/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*.zara.com/*",
        "https://*.zalando.de/*",
        "http://*.asos.de/*"
      ],
      "css": [
        "styles/main.css"
      ],
      "js": [
        "stores.js",
        "components/jquery/dist/jquery.js",
        "components/angular/angular.js",
        "scripts/helpers.js",
        "scripts/setup.js",
        "heyshops/module.js",
        "heyshops/categories.js",
        "heyshops/subcategories.js",
        "heyshops/components/hsButton/index.js",
        "common/module.js",
        "common/hsPubSub.js",
        "heyshops/components/hsOverlay/index.js",
        "stores/module.js",
        "stores/evaluateStores.js",
        "heyshops/main.js"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "scripts": [
      "components/angular/angular.js",
      "scripts/helpers.js",
      "scripts/setup.js",
      "background/module.js",
      "stores/module.js",
      "stores/getStores.js",
      "stores/evaluateStores.js",
      "background/main.js"
    ]
  },
  "permissions": [
    "http://*/",
    "activeTab"
  ],
  "browser_action": {
    "default_icon": {
      "19": "images/icon-19.png",
      "38": "images/icon-38.png"
    },
    "default_title": "Heyshops",
    "default_popup": "popup.html"
  },
  "web_accessible_resources": [
    "styles/main.css",
    "images/Logo.png",
    "images/icon-128.png",
    "images/close.png"
  ],
  "applications": {
    "gecko": {
      "id": "addon@heyshops.com"
    }
  }
}