Examine source code of Opkey Browser Extension

{
  "author": "SSTS",
  "manifest_version": 2,
  "name": "Opkey Browser Extension",
  "permissions": [
    "http://*/*",
    "https://*/*",
    "desktopCapture",
    "tabs",
    "<all_urls>",
    "contextMenus",
    "system.display"
  ],
  "externally_connectable": {
    "matches": [
      "*://localhost/*",
      "*://*.stg.smartopkey.com/*",
      "*://*.myopkey.com/*",
      "*://*.smartopkey.com/*",
      "*://*.lightning.force.com/*"
    ]
  },
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "version": "1.0.3.0",
  "background": {
    "scripts": [
      "js/jsonpath.js",
      "js/jquery_min.js",
      "salesforce_configurator.js",
      "background.js"
    ],
    "persistent": true
  },
  "description": "This extension is a smart record engine which allow users to record steps on any Web Application including Salesforce and Workday.",
  "icons": {
    "16": "icons/addon128.png",
    "32": "icons/addon128.png",
    "48": "icons/addon128.png",
    "128": "icons/addon128.png"
  },
  "browser_action": {
    "default_icon": {
      "12": "icons/addon128.png",
      "14": "icons/addon128.png",
      "16": "icons/addon128.png",
      "32": "icons/addon128.png"
    },
    "default_title": "Opkey"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "js/recorder/fjson.js",
        "js/jquery_min.js",
        "js/toastify.js",
        "js/recorder/HTML2CANVAS.js",
        "js/recorder/salesforcemdai.js",
        "js/recorder/locatorBuilders.js",
        "js/recorder/state.js",
        "js/recorder/concat.js",
        "js/recorder/workday_recorder.js",
        "js/recorder/oraclefusion_recorder.js",
        "js/recorder/dynamics_recorder.js",
        "js/recorder/msdynamicsax_recorder.js",
        "js/recorder/peoplesoft_recorder.js",
        "js/recorder/sapfiori_recorder.js",
        "js/recorder/successfactor_recorder.js",
        "js/recorder/veevavault_recorder.js",
        "js/recorder/servicenow_recorder.js",
        "js/recorder/language_pack.js",
        "datasender.js",
        "plugins/signalr/jquery.signalR-2.2.2.min.js",
        "docker/docker.js",
        "js/recorder/oraclebsjnlp.js",
        "js/loadtestjs/loadtestcs.js"
      ],
      "css": [
        "css/OpkeyHighlight.css",
        "css/toastify.css"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    "js/loadtestjs/requestinterceptor.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e074ef87-5f54-46a0-af43-c8b26d3783b8}"
    }
  }
}