Examine source code of malo

{
  "manifest_version": 3,
  "name": "malo",
  "version": "1.0.4",
  "description": "malayalam grammarly-like definitions for manglish/malayalam",
  "icons": {
    "48": "icons/42.png"
  },
  "action": {
    "default_icon": {
      "16": "./icons/42.png"
    },
    "default_title": "Malo",
    "default_popup": "./popup/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "./dist/content_scripts/index.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "./dist/background_scripts/index.js"
    ]
  },
  "permissions": [
    "menus",
    "activeTab",
    "tabs",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{55a4d2df-55ec-40e8-bbf7-90db9a01716e}",
      "strict_min_version": "109.0"
    }
  }
}