Examine source code of MY READING LIST

{
  "manifest_version": 2,
  "name": "MY READING LIST",
  "version": "0.0.2",
  "description": "With this extension, you can save pages quickly and read after, for me it's temporarily bookmarks.",
  "permissions": [
    "storage",
    "tabs"
  ],
  "sidebar_action": {
    "default_title": "MY READING LIST",
    "default_panel": "readingList.html"
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "hi@sp4ceMan.xyz"
    }
  }
}