Examine source code of Search on TER

{
  "manifest_version": 2,
  "name": "Search on TER",
  "version": "2.0.2resigned1",
  "description": "Easily perform search on TER from any site!",
  "icons": {
    "16": "images/logo-16.png",
    "48": "images/logo-48.png",
    "144": "images/logo-144.png"
  },
  "background": {
    "scripts": [
      "js/ter-background.js"
    ]
  },
  "permissions": [
    "tabs",
    "contextMenus",
    "management",
    "http://*/*",
    "https://*/*",
    "http://127.0.0.1/*",
    "http://localhost:8080/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{df96826b-72b5-40de-a736-c92a6528e828}"
    }
  }
}