Examine source code of Temp notes

{
  "manifest_version": 2,
  "name": "Temp notes",
  "version": "0.5",
  "description": "Temporary notes in the sidebar",
  "icons": {
    "48": "icon.png",
    "96": "icon.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus",
    "downloads"
  ],
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Open Temp notes"
  },
  "sidebar_action": {
    "default_title": "Temp notes",
    "default_panel": "sidebar.html",
    "default_icon": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "add-icon.svg"
  ],
  "commands": {
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y"
      }
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c90e8a3c-64b8-4531-a793-d7990618ce30}"
    }
  }
}