Examine source code of HEP Extension

{
  "manifest_version": 2,
  "name": "HEP Program Filter",
  "version": "1.3",
  "description": "Makes modifications to different pages of HEP portal",
  "icons": {
    "256": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://hep.punjab.gov.pk/*"
      ],
      "js": [
        "jquery.js",
        "code.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ddc5a363-df1d-40d1-9255-37a429a535f5}"
    }
  }
}