Examine source code of chrome-history

{
  "manifest_version": 3,
  "name": "chrome-history",
  "version": "1.0",
  "description": "Improved history display for Firefox",
  "icons": {
    "16": "icons/logo16.png",
    "32": "icons/logo32.png",
    "48": "icons/logo48.png",
    "96": "icons/logo96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5107f4fb-ae53-4fdf-b334-999352183f3d}"
    }
  },
  "permissions": [
    "history",
    "storage",
    "webNavigation"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/utils.js",
        "content.js"
      ]
    }
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_icon": {
      "19": "icons/logo19.png",
      "38": "icons/logo38.png"
    },
    "default_title": "Open better-history"
  }
}