Examine source code of ProductionCrate Connect

{
  "name": "ProductionCrate Connect",
  "version": "2.3",
  "manifest_version": 2,
  "icons": {
    "128": "icon/transparent.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "notifications",
    "*://*.productioncrate.com/*",
    "downloads"
  ],
  "content_scripts": [
    {
      "js": [
        "js/jquery.js",
        "js/script.js"
      ],
      "matches": [
        "*://*.productioncrate.com/*",
        "*://*.footagecrate.com/*"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "browser_action": {
    "default_icon": "icon/transparent.png",
    "default_popup": "html/action.html"
  },
  "background": {
    "scripts": [
      "js/jquery.js",
      "js/bg.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2077f26c-fc7c-46e8-9b7e-abd781bf18ca}"
    }
  }
}