When Was Last Edit?

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "When Was Last Edit?",
  "description": "This extension shows when the doc was last edited",
  "version": "2",
  "manifest_version": 3,
  "icons": {
    "16": "src/assets/icons/16.png",
    "32": "src/assets/icons/32.png",
    "48": "src/assets/icons/48.png",
    "128": "src/assets/icons/128.png"
  },
  "content_scripts": [
    {
      "js": [
        "assets/index.ts-loader.0ad8da20.js"
      ],
      "matches": [
        "*://docs.google.com/*"
      ],
      "css": [
        "assets/index.5b44df08.css"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "*://docs.google.com/*"
      ],
      "resources": [
        "assets/index.ts.5caaf09c.js"
      ],
      "use_dynamic_url": true
    }
  ]
}