Examine source code of Tabby - Window & Tab Manager

{
  "manifest_version": 3,
  "name": "Tabby - Window and Tab Manager",
  "version": "3.2.1",
  "description": "Manage great amounts of windows and tabs at ease.",
  "icons": {
    "48": "icons/tabby-48.png",
    "96": "icons/tabby-96.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "cookies",
    "contextMenus",
    "webNavigation",
    "unlimitedStorage",
    "contextualIdentities"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_icon": "icons/tabby-32.png",
    "default_title": "Tabby",
    "default_popup": "popup/index.html"
  },
  "sidebar_action": {
    "default_icon": "icons/tabby-32.png",
    "default_title": "Tabby",
    "default_panel": "popup/sidebar.html",
    "browser_style": false,
    "open_at_install": false
  },
  "background": {
    "scripts": [
      "background/background.js",
      "background/captureTab.js",
      "background/tmpClear.js",
      "background/commands.js"
    ],
    "service_worker": "background/background-sw.js"
  },
  "commands": {
    "open-tabby-focus-search": {
      "suggested_key": {
        "default": "Ctrl+Shift+Space",
        "mac": "MacCtrl+Shift+Space"
      },
      "description": "Open Tabby, with focus on the search bar"
    },
    "open-tabby-focus-current": {
      "suggested_key": {
        "default": "Alt+Period",
        "mac": "Alt+Period"
      },
      "description": "Open Tabby, with focus on the current tab"
    },
    "open-tabby-switch-view": {
      "suggested_key": {
        "default": "Alt+Comma",
        "mac": "Alt+Comma"
      },
      "description": "Switch views"
    },
    "last-used-tab": {
      "suggested_key": {
        "default": "Ctrl+Shift+L",
        "mac": "MacCtrl+Shift+L"
      },
      "description": "Open last used tab"
    },
    "last-used-window": {
      "suggested_key": {
        "default": "Ctrl+Shift+0",
        "mac": "MacCtrl+Shift+0"
      },
      "description": "Open last used window"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tabby@whatsyouridea.com",
      "strict_min_version": "59.0"
    }
  }
}