Examine source code of Jira Board Enhancer

{
  "manifest_version": 3,
  "name": "Jira Board Enhancer",
  "version": "0.3.0",
  "description": "Improves Jira Board",
  "permissions": [
    "activeTab",
    "scripting",
    "tabs",
    "storage"
  ],
  "optional_host_permissions": [
    "*://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_page": "options.html",
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "action": {
    "default_icon": {
      "16": "images/icon16.png",
      "32": "images/icon32.png"
    },
    "default_title": "Jira Board Enhancer"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "jira-board-enhancer@your-domain.com",
      "strict_min_version": "109.0"
    }
  }
}