Examine source code of Pretty BDD

{
  "manifest_version": 2,
  "name": "Pretty BDD",
  "version": "1.1resigned1",
  "description": "Prettifies BDD in BDD Acceptance Criteria field",
  "applications": {
    "gecko": {
      "id": "prettifybdd@duapps.com"
    }
  },
  "icons": {
    "48": "icons/border-48.png",
    "96": "icons/border-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://jira.unileversolutions.com/*"
      ],
      "js": [
        "prettifybdd.js"
      ]
    }
  ]
}