Examine source code of OD-Search

{
  "manifest_version": 2,
  "name": "OD-Search",
  "version": "1.2",
  "description": "Web Extension that builds search queries.",
  "browser_action": {
    "default_title": "OD-Search",
    "default_icon": "magnify.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "storage",
    "clipboardWrite"
  ],
  "applications": {
    "gecko": {
      "id": "{bda7d743-06f5-4628-bcf7-7a847293a0b3}"
    }
  }
}