Examine source code of ScreenShot

{
  "action": {
    "default_icon": {
      "16": "img/icon-16.png",
      "48": "img/icon-48.png",
      "128": "img/icon-128.png"
    },
    "default_popup": "popup.html",
    "default_title": "__MSG_manifest_browser_action__"
  },
  "background": {
    "scripts": [
      "worker.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "libs/jquery-3.5.1.min.js",
        "libs/jspdf.min.js",
        "libs/markerjs2.js",
        "js/loader.js"
      ],
      "matches": [
        "*://addonx.net/thisshot"
      ],
      "run_at": "document_end"
    },
    {
      "all_frames": false,
      "exclude_globs": [
        "*//addonx.net/*"
      ],
      "js": [
        "libs/jquery-3.5.1.min.js",
        "js/content-script.js"
      ],
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "default_locale": "en",
  "description": "__MSG_manifest_description__",
  "homepage_url": "https://addonx.net/thisshot",
  "host_permissions": [
    "http://addonx.net/*",
    "https://addonx.net/*",
    "https://*/*",
    "http://*/*"
  ],
  "icons": {
    "16": "img/icon-16.png",
    "48": "img/icon-48.png",
    "128": "img/icon-128.png"
  },
  "manifest_version": 3,
  "name": "__MSG_manifest_name__",
  "permissions": [
    "tabs",
    "storage",
    "unlimitedStorage",
    "activeTab",
    "scripting",
    "declarativeNetRequest"
  ],
  "version": "1.1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{97d8d89e-6e71-4d48-9906-87d7d6d8d9a7}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "https://addonx.net/*"
      ],
      "resources": [
        "bootstrap-5.2.3-dist/css/bootstrap.min.css",
        "bootstrap-5.2.3-dist/icons/bootstrap-icons.css",
        "bootstrap-5.2.3-dist/icons/fonts/bootstrap-icons.woff2",
        "bootstrap-5.2.3-dist/icons/fonts/bootstrap-icons.woff"
      ]
    }
  ]
}