Examine source code of Pardus Bookkeeper continued

{
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "background": {
    "scripts": [
      "sector.js",
      "building.js",
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.pardus.at/building_trade.php*"
      ],
      "js": [
        "functions.js",
        "sector.js",
        "building.js",
        "commodity.js",
        "trade.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.pardus.at/overview_buildings.php*"
      ],
      "js": [
        "functions.js",
        "sector.js",
        "building.js",
        "commodity.js",
        "table.js",
        "filter.js",
        "overview.js",
        "overviewbuildings.js"
      ],
      "css": [
        "bookkeeper.css"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.pardus.at/main.php*"
      ],
      "js": [
        "nav.js"
      ],
      "css": [
        "nav.css"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.pardus.at/index_buildings.php*"
      ],
      "js": [
        "functions.js",
        "sector.js",
        "building.js",
        "commodity.js",
        "bldgindex.js"
      ],
      "css": [
        "bookkeeper.css"
      ],
      "all_frames": false
    },
    {
      "matches": [
        "*://*.pardus.at/building_trade_settings.php*"
      ],
      "js": [
        "functions.js",
        "building.js",
        "buildingtradesettings.js"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.pardus.at/building_management.php*"
      ],
      "js": [
        "functions.js",
        "building.js",
        "sector.js",
        "management.js"
      ],
      "css": [
        "bookkeeper.css"
      ],
      "all_frames": true
    },
    {
      "matches": [
        "*://*.pardus.at/planet_trade.php*",
        "*://*.pardus.at/starbase_trade.php*"
      ],
      "js": [
        "/functions.js",
        "/commodity.js",
        "/sector.js",
        "/building.js",
        "/table.js",
        "/filter.js",
        "/overview.js",
        "overlay.js",
        "starbasetrade.js"
      ],
      "css": [
        "nav.css",
        "bookkeeper.css"
      ],
      "all_frames": true
    }
  ],
  "description": "User trade interface enhancements for the online game Pardus",
  "manifest_version": 2,
  "minimum_chrome_version": "61",
  "name": "Pardus Bookkeeper Continued",
  "permissions": [
    "notifications",
    "storage",
    "*://*.pardus.at/*"
  ],
  "version": "3.1.4",
  "browser_action": {
    "default_icon": {
      "16": "icons/16.png",
      "64": "icons/64.png"
    },
    "default_title": "Pardus Bookkeeper",
    "default_popup": "popup.html",
    "browser_style": true
  },
  "icons": {
    "16": "icons/16.png",
    "24": "icons/24.png",
    "48": "icons/48.png",
    "64": "icons/64.png",
    "128": "icons/128.png"
  },
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "web_accessible_resources": [
    "icons/16.png",
    "icons/24.png",
    "icons/48.png",
    "icons/clear.svg",
    "icons/cleardim.svg",
    "icons/pos.svg",
    "icons/posdim.svg",
    "icons/projoff.svg",
    "icons/projoffdim.svg",
    "icons/projon.svg",
    "icons/projondim.svg",
    "icons/amountoff.svg",
    "icons/amountoffdim.svg",
    "icons/amounton.svg",
    "icons/amountondim.svg",
    "icons/amounton.svg",
    "icons/amountondim.svg",
    "icons/amountselling.svg",
    "icons/amountsellingdim.svg",
    "icons/amountbuying.svg",
    "icons/amountbuyingdim.svg",
    "icons/creditoff.svg",
    "icons/creditoffdim.svg",
    "icons/creditsell.svg",
    "icons/creditselldim.svg",
    "icons/creditbuy.svg",
    "icons/creditbuydim.svg",
    "icons/remove.svg",
    "icons/removedim.svg",
    "html/bbox.html"
  ]
}