Whatsapp sidebar toggler

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Whatsapp sidebar toggler",
  "version": "1.0.0",
  "description": "Lets you toggle between hiding and showing the sidebar on whatsapp web.",
  "manifest_version": 2,
  "permissions": [
    "tabs",
    "storage"
  ],
  "background": {
    "scripts": [
      "./src/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://web.whatsapp.com/"
      ],
      "run_at": "document_idle",
      "js": [
        "./src/content.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "./images/icons/icon.png",
      "48": "./images/icons/icon.png"
    }
  },
  "icons": {
    "16": "./images/icons/icon.png",
    "48": "./images/icons/icon.png",
    "128": "./images/icons/icon.png"
  }
}