Examine source code of Smart Sidebar

{
  "manifest_version": 2,
  "name": "Smart Sidebar",
  "version": "2.0.0",
  "description": "Open any site in the sidebar — bypasses X-Frame-Options and CSP restrictions.",
  "author": "Smart Sidebar",
  "icons": {
    "48": "icons/icon48.svg",
    "96": "icons/icon96.svg"
  },
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "sidebar_action": {
    "default_title": "Smart Sidebar",
    "default_panel": "sidebar.html",
    "default_icon": {
      "48": "icons/icon48.svg"
    }
  },
  "browser_action": {
    "default_title": "Smart Sidebar",
    "default_icon": {
      "48": "icons/icon48.svg"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "smart-sidebar@local.ext",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}