Examine source code of Instagram Focused

{
  "manifest_version": 2,
  "name": "Instagram Focused",
  "version": "1.1",
  "description": "Blocks Instagram feed, explore, and reels. Allows DMs, Stories, Create, Settings, and Profiles",
  "permissions": [
    "tabs",
    "*://*.instagram.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.instagram.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "instagram-focused-public@extension.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}