Examine source code of NirbanAuto

{
  "manifest_version": 2,
  "name": "NirbanAuto",
  "version": "6.0.4",
  "description": "Automatically fills captcha fields on banglarbhumi.gov.in",
  "icons": {
    "48": "icons/icon48.png",
    "144": "icons/My icon.png"
  },
  "browser_action": {
    "default_popup": "activation.html",
    "default_icon": {
      "48": "icons/icon48.png"
    },
    "default_title": "NirbanAuto"
  },
  "content_scripts": [
    {
      "matches": [
        "https://banglarbhumi.gov.in/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "permissions": [
    "activeTab",
    "tabs",
    "webNavigation",
    "storage",
    "downloads",
    "http://*/*",
    "https://*/*",
    "https://script.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "commands": {
    "trigger-autofill": {
      "suggested_key": {
        "default": "F2"
      },
      "description": "Trigger autofill on the current page"
    }
  },
  "web_accessible_resources": [
    "activation.html",
    "popup.html",
    "popup.css",
    "popup.js",
    "settings.html",
    "settings.css",
    "settings.js",
    "icons/icon48.png",
    "icons/My icon.png",
    "icons/favicon.png",
    "Files/nirbanauto_settings.csv",
    "Files/Mutation Dynamic Data Template.xlsx"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{89dacfe7-22fd-4274-b63b-0d6111b1e577}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}