Examine source code of Multi Search Context Menu

{
  "manifest_version": 2,
  "name": "Multi Search Context Menu",
  "version": "2.0",
  "description": "generates automatic searches from a word list using the context menu.",
  "permissions": [
    "contextMenus",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "48": "icons/icon-48.png"
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "niehage@yahoo.de",
      "strict_min_version": "78.0"
    }
  }
}