Examine source code of PostLedger

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "version": "1.1.2.126",
  "description": "__MSG_extDescription__",
  "default_locale": "fr",
  "browser_specific_settings": {
    "gecko": {
      "id": "postledger@extension",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "downloads"
  ],
  "host_permissions": [
    "https://www.linkedin.com/*",
    "https://media.licdn.com/*"
  ],
  "background": {
    "scripts": [
      "vendor/docx.min.js",
      "vendor/jszip.min.js",
      "vendor/jspdf.min.js",
      "core/date-utils.js",
      "core/exporter-csv.js",
      "core/exporter-docx.js",
      "core/exporter-pdf.js",
      "core/post-utils.js",
      "background/service-worker.js"
    ]
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "assets/icon-16.png",
      "48": "assets/icon-48.png",
      "128": "assets/icon-128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.linkedin.com/in/*/recent-activity/*"
      ],
      "js": [
        "core/parser.js",
        "core/scroller.js",
        "core/api-extractor.js",
        "core/stats-image.js",
        "vendor/confetti.min.js",
        "content/overlay.js",
        "content/content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "assets/icon-16.png",
    "48": "assets/icon-48.png",
    "128": "assets/icon-128.png"
  }
}