Examine source code of BlockItOut

{
  "manifest_version": 3,
  "name": "BlockItOut",
  "version": "1.0.0",
  "description": "Focus enhancement suite for Instagram and YouTube. Distraction-free modes and time management.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.instagram.com/*",
    "*://*.youtube.com/*",
    "*://music.youtube.com/*",
    "*://*.google.com/*",
    "*://*.bing.com/*",
    "*://*.duckduckgo.com/*",
    "*://*.yahoo.com/*"
  ],
  "action": {
    "default_title": "Open BlockItOut Dashboard"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.instagram.com/*",
        "*://*.youtube.com/*",
        "*://music.youtube.com/*",
        "*://*.google.com/*",
        "*://*.bing.com/*",
        "*://*.duckduckgo.com/*",
        "*://*.yahoo.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "blockitout@vigneshrapaka.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}