Examine source code of Pinboard Sidebar

{
  "manifest_version": 2,
  "name": "Pinboard Sidebar",
  "description": "Use the Pinboard.in mobile view in a Firefox Desktop sidebar to quickly access your bookmarks.",
  "version": "1.0.2",
  "applications": {
    "gecko": {
      "strict_min_version": "54.0a1",
      "id": "pinboard-sidebar@alma.cookies"
    }
  },
  "icons": {
    "128": "icon/icon.svg",
    "512": "icon/icon.svg"
  },
  "browser_action": {
    "default_title": "Pinboard Sidebar",
    "default_icon": {
      "48": "icon/icon.svg"
    }
  },
  "background": {
    "scripts": [
      "script/background.js"
    ]
  },
  "sidebar_action": {
    "default_icon": {
      "48": "icon/icon.svg",
      "96": "icon/icon.svg"
    },
    "default_title": "Pinboard",
    "default_panel": "index.html"
  },
  "permissions": [
    "storage",
    "tabs"
  ]
}