Middle Click To Go Back

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Middle Click To Go Back",
  "version": "2.0.0",
  "manifest_version": 3,
  "description": "Go back with your middle mouse button.",
  "icons": {
    "48": "back48.png",
    "128": "back128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "ftp://*/*"
      ],
      "all_frames": true,
      "js": [
        "mctgb.js"
      ]
    }
  ],
  "background": {
    "service_worker": "background.js"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "permissions": [
    "tabs",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ]
}