Examine source code of eDistrict Helper

{
  "manifest_version": 2,
  "name": "eDistrict Helper",
  "version": "1.3",
  "description": "eDistrict फॉर्म के लिए ऑटोफिल और फॉर्म एडिटर - Firefox Edition",
  "browser_specific_settings": {
    "gecko": {
      "id": "edistrict-helper@jmktechnology.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "https://*.edistrict.up.gov.in/*",
    "http://*.edistrict.up.gov.in/*",
    "https://2captcha.com/*",
    "http://2captcha.com/*",
    "https://fonts.googleapis.com/*",
    "https://i.postimg.cc/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.edistrict.up.gov.in/*",
        "http://*.edistrict.up.gov.in/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "form.html",
    "form.js",
    "html2canvas.min.js",
    "all.min.css",
    "icon16.png",
    "icon48.png",
    "icon128.png"
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}