Examine source code of Notion Helper

{
  "name": "Notion Helper",
  "version": "1.0.1",
  "description": "An extension to enhance your experience with Notion",
  "manifest_version": 2,
  "permissions": [
    "storage",
    "activeTab",
    "*://*.notion.so/*",
    "*://*.notion.site/*"
  ],
  "browser_action": {
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "32": "/logo/logo-32.png",
      "48": "/logo/logo-48.png",
      "128": "/logo/logo-128.png"
    }
  },
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.notion.so/*",
        "*://*.notion.site/*"
      ],
      "js": [
        "src/scripts/rtl.js",
        "src/scripts/font.js"
      ],
      "all_frames": true
    }
  ],
  "icons": {
    "32": "/logo/logo-32.png",
    "48": "/logo/logo-48.png",
    "128": "/logo/logo-128.png"
  }
}