Examine source code of SmarterTour

{
  "name": "__MSG_extension_name__",
  "short_name": "__MSG_extension_name__",
  "author": "Pokeshot GmbH",
  "version": "1.2.3.1",
  "manifest_version": 2,
  "description": "__MSG_extension_description__",
  "homepage_url": "http://pokeshot.com",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "script/libs/smartertour-polyfill.js",
      "script/libs/consolelog.min.js",
      "script/libs/webext-options-sync.js",
      "script/libs/jquery.min.js",
      "script/libs/underscore-min.js",
      "script/libs/dexie.min.js",
      "script/smartertour-core.js",
      "script/smartertour-background-services.js",
      "script/smartertour-background.js"
    ]
  },
  "options_ui": {
    "page": "views/options/options.html",
    "browser_style": true,
    "chrome_style": true
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "19": "icons/icon19.png",
      "48": "icons/icon48.png"
    },
    "default_title": "SmarterTour",
    "default_popup": "views/menu/menu.html"
  },
  "permissions": [
    "notifications",
    "*://*/*",
    "tabs",
    "storage",
    "unlimitedStorage"
  ],
  "content_scripts": [
    {
      "run_at": "document_start",
      "all_frames": false,
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "script/libs/smartertour-polyfill.js",
        "script/libs/consolelog.min.js",
        "script/libs/webext-options-sync.js",
        "script/libs/jquery.min.js",
        "script/libs/underscore-min.js",
        "script/libs/dexie.min.js",
        "script/smartertour-core.js",
        "script/smartertour-content-start.js"
      ]
    },
    {
      "run_at": "document_idle",
      "all_frames": false,
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "script/smartertour-content-services.js",
        "script/smartertour-content.js"
      ],
      "css": [
        "style/inject.css",
        "style/animations.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "res/conf/*",
    "res/tours/*",
    "_locales/*",
    "script/*",
    "**/libs/*.js",
    "**/inject/*.js",
    "**/inject/api/*.js",
    "views/*.svg"
  ],
  "applications": {
    "gecko": {
      "id": "smartertour@pokeshot.com",
      "strict_min_version": "57.0a1"
    }
  }
}