Examine source code of Emoji Copy and Paste

{
  "name": "Emoji Copy and Paste",
  "version": "1.0.1",
  "manifest_version": 3,
  "description": "Click on any emoji to copy it instantly. Now paste it anywhere.",
  "icons": {
    "128": "static/128.png"
  },
  "action": {
    "default_popup": "app.html"
  },
  "homepage_url": "https://browsernative.com/emoji-copy-and-paste-extension/",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "clipboardWrite"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "emoji@browsernative.com",
      "strict_min_version": "109.0"
    }
  }
}