Examine source code of Steam Glance

{
  "manifest_version": 3,
  "name": "Steam Glance",
  "version": "0.2.0",
  "description": "Adds a preview icon next to Steam links. Click the icon or right-click highlighted text to see a draggable panel with game details, videos, and price.",
  "author": "GGJacob",
  "permissions": [
    "storage",
    "contextMenus"
  ],
  "host_permissions": [
    "https://store.steampowered.com/*"
  ],
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "steam-glance@ggjacob.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}