Examine source code of ProNoto: Floating Notes

{
  "manifest_version": 2,
  "name": "ProNoto: Floating Notes",
  "version": "8.8.13",
  "description": "All-in-one AI assistant with unique floating notes, a browser-based teleprompter, instant screenshots, web capture & more AI Tools.",
  "browser_action": {
    "default_icon": "images/icon48.png",
    "default_popup": "popup_ext.html"
  },
  "icons": {
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "scripts/lib/jquery-3.3.1.min.js",
        "scripts/lib/jquery-ui.js",
        "scripts/lib/jquery.overlayScrollbars.js",
        "scripts/lib/html2canvas.min.js",
        "scripts/lib/moment.min.js",
        "scripts/lib/content.js",
        "scripts/lib/jquery.Jcrop.min.js"
      ],
      "css": [
        "css/jquery-ui.css",
        "css/content.css",
        "css/jquery.Jcrop.min.css"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    "images/*",
    "popup.html",
    "prompter.html",
    "ai_popup.html",
    "ai_popup_tab.html",
    "popout_script.html",
    "settings.html",
    "scripts/lib/*",
    "css/*"
  ],
  "permissions": [
    "storage",
    "tabs",
    "contextMenus",
    "identity",
    "http://*/*",
    "https://*/*",
    "<all_urls>"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "oauth2": {
    "client_id": "674527154243-dhcf50ljhc84fhjn7bg3h6g8kksf95cv.apps.googleusercontent.com",
    "scopes": [
      "openid",
      "email",
      "profile"
    ]
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl1Xu4vL4pYlBDFaWmUUYb1rT2KIjrM0ClMLXEteKTpb7s8W0Q/8D5vsytDoRfhG2o0Bl9A+s00UgUN5/XYKKqjJTvSFq2WvS7MG83fmmTzK8ipWKD6MwJ1CZqVbpoeVI7lA2jXMi4GQeoL6E/dNUnC79FnBnwqzu1r20knFCsgcFc8OL8SY/av6f83cBAMAuv4dcTGu1cGSGqxdK0eBfvgnD/lCH+iCrkDGty92hN6WnTGO91HQSrpRq2LoxcH9dxIcPfXBbhqYDTqu3GwJ/veS0yflFc/m9NO9ukFcu/dhHAeaE/a/5L69OWASqVMWWoMiMc49B4oHPxYzhbbhnAwIDAQAB",
  "browser_specific_settings": {
    "gecko": {
      "id": "{4a477bc8-2532-4482-8adc-3dfe3740b255}"
    }
  }
}