Examine source code of JIRA Enhancer

{
  "manifest_version": 2,
  "name": "JIRA Enhancer",
  "version": "1.0",
  "description": "Enhance your JIRA experience with additional features, improved workflows, and interface tweaks to make project management smoother and more efficient",
  "icons": {
    "48": "icons/eye.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/eye.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e3c4c073-5ae0-40f1-acaa-91c5a0399888}"
    }
  }
}