Examine source code of BBO Helper

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "version": "1.5.3",
  "description": "__MSG_appDesc__",
  "developer": {
    "name": "Matthew Kidd"
  },
  "homepage_url": "https://lajollabridge.com/Software/BBO-Helper/",
  "default_locale": "en",
  "incognito": "spanning",
  "browser_specific_settings": {
    "gecko": {
      "id": "bbohelper@triplesqueeze.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/B++16.png",
    "24": "icons/B++24.png",
    "32": "icons/B++32.png",
    "48": "icons/B++48.png",
    "96": "icons/B++96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.bridgebase.com/myhands/hands.php?username=*",
        "*://www.bridgebase.com/myhands/hands.php?tourney=*",
        "*://webutil.bridgebase.com/v2/daylong_hands.php*"
      ],
      "css": [
        "global.css",
        "hands.css"
      ],
      "js": [
        "utf8unmangle.js",
        "common.js",
        "sessionhtml.js",
        "hands.js"
      ]
    },
    {
      "matches": [
        "*://www.bridgebase.com/myhands/hands.php?traveller=*"
      ],
      "css": [
        "global.css",
        "traveller.css"
      ],
      "js": [
        "utf8unmangle.js",
        "common.js",
        "traveller.js"
      ]
    },
    {
      "matches": [
        "*://www.bridgebase.com/tools/handviewer.html*"
      ],
      "css": [
        "global.css"
      ],
      "js": [
        "utf8unmangle.js",
        "rapsheet.js",
        "common.js",
        "handviewer.js"
      ]
    },
    {
      "matches": [
        "*://www.bridgebase.com/v3/*"
      ],
      "js": [
        "bbov3early.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://www.bridgebase.com/v3/*"
      ],
      "css": [
        "global.css"
      ],
      "js": [
        "rapsheet.js",
        "common.js",
        "bbov3.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://webutil.bridgebase.com/v2/tview.php*"
      ],
      "js": [
        "rapsheet.js",
        "tview.js"
      ],
      "css": [
        "tview.css"
      ]
    },
    {
      "matches": [
        "https://www.ebu.co.uk/ngs/search*"
      ],
      "js": [
        "ngssearch.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "clipboardWrite",
    "storage",
    "unlimitedStorage",
    "https://webutil.bridgebase.com/*",
    "https://dds.bridgewebs.com/bsol2/*",
    "https://dds.bridgewebs.com/cgi-bin/bsol2/*"
  ],
  "page_action": {
    "default_icon": {
      "19": "icons/B++19.png",
      "38": "icons/B++38.png"
    },
    "default_title": "BBO Helper",
    "default_popup": "popupmenu.html",
    "show_matches": [
      "*://www.bridgebase.com/v3/*",
      "*://www.bridgebase.com/tools/handviewer.html*",
      "*://www.bridgebase.com/myhands/hands.php?traveller=*",
      "*://www.bridgebase.com/myhands/hands.php?username=*",
      "*://webutil.bridgebase.com/v2/tview.php*"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true,
    "chrome_style": true
  },
  "background": {
    "page": "background.html"
  },
  "web_accessible_resources": [
    "utf8unmangle.js",
    "injectedsniffers.js",
    "injectedbbo.js",
    "tviewinjected.js",
    "buttons/*.png",
    "images/*.png",
    "icons/*.png",
    "sesshands/*"
  ]
}