Examine source code of Neocities Profile Viewer

{
  "manifest_version": 2,
  "name": "Neocities Profile Viewer",
  "version": "1.1",
  "description": "Open the profile for any neocities site in a new tab.",
  "homepage_url": "https://github.com/Jett-Secret/NeocitiesProfileViewer",
  "icons": {
    "48": "icons/neocities.png"
  },
  "permissions": [
    "activeTab"
  ],
  "background": {
    "scripts": [
      "neocitiesButton.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "icons/neocities.png",
      "32": "icons/neocities.png"
    },
    "default_title": "Whereami?",
    "theme_icons": [
      {
        "light": "icons/neocities.png",
        "dark": "icons/neocities.png",
        "size": 16
      },
      {
        "light": "icons/neocities.png",
        "dark": "icons/neocities.png",
        "size": 32
      }
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f610bb9e-d868-43ad-ba0b-c4ebbe4a26e1}"
    }
  }
}