Examine source code of SyAnna

{
  "manifest_version": 2,
  "name": "SyAnna",
  "description": "Azure to jira links helper",
  "version": "1.3",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://dev.azure.com/*"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icons/tool-icon.png",
    "default_title": "Azure 2 Jira Tool"
  },
  "icons": {
    "48": "icons/tool-icon.png",
    "128": "icons/tool-icon-big.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{597f668b-720f-4aa1-9cbd-afd82b444d43}"
    }
  }
}