Go Back With Backspace

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_extensionName__",
  "short_name": "__MSG_extensionShortName__",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "version": "3.0.2",
  "version_name": "3.0.2",
  "offline_enabled": true,
  "manifest_version": 3,
  "minimum_chrome_version": "91",
  "author": {
    "email": "[email protected]"
  },
  "homepage_url": "https://github.com/Alex313031/Chromium-Backspace",
  "icons": {
    "16": "icons/icon_16.png",
    "24": "icons/icon_24.png",
    "32": "icons/icon_32.png",
    "48": "icons/icon_48.png",
    "64": "icons/icon_64.png",
    "128": "icons/icon_128.png"
  },
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_popup": "pages/popup.html",
    "default_icon": {
      "19": "icons/icon19.png",
      "38": "icons/icon38.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "is_editable.js",
        "content_script.js"
      ],
      "all_frames": true,
      "match_origin_as_fallback": true,
      "run_at": "document_start"
    }
  ],
  "options_ui": {
    "page": "pages/options.html",
    "open_in_tab": false
  },
  "permissions": [
    "management",
    "scripting",
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ]
}