Examine source code of BoomiXcel

{
  "manifest_version": 2,
  "name": "BoomiXcel",
  "description": "This extension enhances Boomi Web Platform in multiple ways to provide a more robust experience",
  "version": "2.5.0.0",
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true,
    "browser_style": true
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://platform.boomi.com/*"
      ],
      "run_at": "document_start",
      "js": [
        "library/inject/arrive.min.js",
        "library/jquery/jquery-4.0.0.min.js",
        "library/inject/rasterizeHTML.min.js",
        "library/inject/cm/codemirror.js",
        "library/inject/cm/mode/javascript.js",
        "library/inject/cm/mode/xml.js",
        "library/inject/cm/mode/sql.js",
        "library/inject/cm/addons/closebrackets.js",
        "library/inject/cm/addons/closetags.js",
        "library/inject/cm/addons/xml-fold.js"
      ]
    },
    {
      "matches": [
        "https://platform.boomi.com/*"
      ],
      "run_at": "document_end",
      "css": [
        "library/css/boomi.css",
        "library/css/cm/codemirror.css",
        "library/css/cm/theme/twilight.css",
        "library/css/cm/theme/eclipse.css",
        "library/css/cm/theme/solarized.css",
        "library/css/cm/theme/monokai.css",
        "library/css/cm/theme/dracula.css",
        "library/css/cm/theme/material.css"
      ],
      "js": [
        "library/boomiapp/content/bundle.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "*.png",
    "*.jpg",
    "library/boomiapp/page/fullscreen.js"
  ],
  "permissions": [
    "storage",
    "downloads",
    "https://platform.boomi.com/*",
    "https://api.boomi.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "boomixcel@mitchelljfranklin.github.io",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}