Examine source code of Project Bookmark Bars

{
  "manifest_version": 2,
  "name": "Project Bookmark Bars",
  "version": "1.0.0",
  "description": "Manage multiple bookmark bars organised by project. Collapse, expand, and switch between them instantly.",
  "icons": {
    "48": "icons/icon-48.svg",
    "96": "icons/icon-96.svg"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "sidebar_action": {
    "default_title": "Project Bookmarks",
    "default_panel": "sidebar/sidebar.html",
    "default_icon": "icons/icon-48.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Alt+Shift+B"
      },
      "description": "Toggle Project Bookmarks sidebar"
    },
    "switch-to-next": {
      "suggested_key": {
        "default": "Alt+Period"
      },
      "description": "Switch to next bookmark bar"
    },
    "switch-to-previous": {
      "suggested_key": {
        "default": "Alt+Comma"
      },
      "description": "Switch to previous bookmark bar"
    },
    "switch-to-bar-1": {
      "suggested_key": {
        "default": "Alt+1"
      },
      "description": "Switch to bar 1"
    },
    "switch-to-bar-2": {
      "suggested_key": {
        "default": "Alt+2"
      },
      "description": "Switch to bar 2"
    },
    "switch-to-bar-3": {
      "suggested_key": {
        "default": "Alt+3"
      },
      "description": "Switch to bar 3"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "project-bookmark-bars@llewdurandt.gmail.com",
      "strict_min_version": "109.0"
    }
  },
  "author": "Llew",
  "homepage_url": "https://github.com/Llewdur/project-bookmark-bars"
}