Examine source code of YTM Block

{
  "manifest_version": 3,
  "name": "YTM Block",
  "version": "1.0.0",
  "description": "Block artists on YouTube Music to automatically skip their tracks.",
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus",
    "scripting"
  ],
  "host_permissions": [
    "https://music.youtube.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/16.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://music.youtube.com/*"
      ],
      "js": [
        "storage.js",
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ytm-block@sanjaywaradkar.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}