Examine source code of Context-Search: Bandcamp

{
  "author": "Architect0711",
  "manifest_version": 2,
  "name": "Context-Search: Bandcamp",
  "description": "Searches for the selected text or link text on Bandcamp",
  "version": "1.1resigned1",
  "applications": {
    "gecko": {
      "id": "contextsearchbandcamp10@example.com",
      "strict_min_version": "60.0"
    }
  },
  "icons": {
    "48": "icons/bandcamp-button-square-green-48.png",
    "96": "icons/bandcamp-button-square-green-96.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "menus",
    "<all_urls>"
  ]
}