Examine source code of Instagram in Sidebar

{
  "manifest_version": 3,
  "name": "IG Sidebar Focus",
  "version": "1.0.0",
  "description": "A sidebar for Instagram with automatic UI focus improvements for chat usage.",
  "browser_specific_settings": {
    "gecko": {
      "id": "ig-focus-sidebar@nasif.naseef",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "host_permissions": [
    "https://www.instagram.com/*",
    "https://m.instagram.com/*"
  ],
  "icons": {
    "512": "logo.png"
  },
  "sidebar_action": {
    "default_panel": "sidebar.html",
    "default_title": "IG Focus Chat",
    "default_icon": "logo.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.instagram.com/direct/*"
      ],
      "css": [
        "content.css"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ]
}