Examine source code of Shiori

{
  "manifest_version": 3,
  "version": "1.8.0.1",
  "name": "Shiori",
  "author": "Go-Shiori Team",
  "description": "Web extension for Shiori, a simple bookmark manager.",
  "homepage_url": "https://github.com/go-shiori/shiori-web-ext",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "content_security_policy": {
    "extension_pages": "default-src 'self'; connect-src 'self' http: https:; style-src 'self' 'unsafe-inline';"
  },
  "permissions": [
    "tabs",
    "storage",
    "bookmarks",
    "scripting",
    "activeTab"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "js/browser-polyfill.js",
      "js/background-script.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "css/dialog.css"
      ],
      "js": [
        "js/browser-polyfill.js",
        "js/content-script.js"
      ]
    }
  ],
  "options_ui": {
    "page": "view/options.html",
    "open_in_tab": false
  },
  "action": {
    "default_title": "Shiori",
    "default_popup": "view/popup.html",
    "default_icon": {
      "16": "icons/action-default-16.png",
      "32": "icons/action-default-32.png",
      "64": "icons/action-default-64.png"
    }
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y"
      },
      "description": "Open Shiori (Ctrl+A to switch modes)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c6e8bd66-ebb4-4b63-bd29-5ef59c795903}"
    }
  },
  "omnibox": {
    "keyword": "@shiori"
  }
}