Examine source code of ReelScore

{
  "manifest_version": 3,
  "name": "ReelScore",
  "version": "1.0.0",
  "description": "Local-first Reel analytics and gamified activity score for Instagram.",
  "action": {
    "default_title": "ReelScore",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.instagram.com/*",
        "https://instagram.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "permissions": [
    "storage",
    "tabs",
    "alarms"
  ],
  "host_permissions": [
    "https://www.instagram.com/*",
    "https://instagram.com/*"
  ],
  "options_page": "dashboard.html",
  "web_accessible_resources": [
    {
      "resources": [
        "dashboard.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "reelscore@example.com",
      "strict_min_version": "126.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "126.0"
    }
  }
}