Examine source code of Flow Recorder

{
  "icons": {
    "16": "icon16.plasmo.e7bcd3ac.png",
    "32": "icon32.plasmo.ce39377b.png",
    "48": "icon48.plasmo.3c17e113.png",
    "64": "icon64.plasmo.df317abe.png",
    "128": "icon128.plasmo.6a4310c5.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icon16.plasmo.e7bcd3ac.png",
      "32": "icon32.plasmo.ce39377b.png",
      "48": "icon48.plasmo.3c17e113.png",
      "64": "icon64.plasmo.df317abe.png",
      "128": "icon128.plasmo.6a4310c5.png"
    },
    "default_popup": "popup.html"
  },
  "version": "1.0.3",
  "author": "Flow Recorder Team",
  "name": "Flow Recorder",
  "description": "Powerful way to record, automate, and share user journeys. Generate automation scripts and interactive guides with cloud sync.",
  "homepage_url": "https://flowrecorder.com",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "permissions": [
    "scripting",
    "tabs",
    "activeTab",
    "storage",
    "unlimitedStorage",
    "downloads",
    "contextMenus",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.0286da44.js"
      ],
      "all_frames": true,
      "css": [
        "content.94196169.css"
      ]
    }
  ],
  "externally_connectable": {
    "matches": [
      "https://flowrecorder.com/*",
      "https://*.flowrecorder.com/*"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "flow-recorder@flowrecorder.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "websiteActivity",
          "websiteContent"
        ]
      }
    }
  }
}