Examine source code of YTM No Slop

{
  "manifest_version": 2,
  "name": "YTM No Slop",
  "description": "Block AI slop artists, songs or keywords on YouTube Music.",
  "version": "1.3.0",
  "icons": {
    "16": "/icon-light-16.png",
    "32": "/icon-light-32.png",
    "48": "/icon-light-48.png",
    "96": "/icon-light-96.png",
    "128": "/icon-light-128.png"
  },
  "browser_action": {
    "theme_icons": [
      {
        "light": "/icon-light-16.png",
        "dark": "/icon-dark-16.png",
        "size": 16
      },
      {
        "light": "/icon-light-32.png",
        "dark": "/icon-dark-32.png",
        "size": 32
      },
      {
        "light": "/icon-light-48.png",
        "dark": "/icon-dark-48.png",
        "size": 48
      },
      {
        "light": "/icon-light-96.png",
        "dark": "/icon-dark-96.png",
        "size": 96
      },
      {
        "light": "/icon-light-128.png",
        "dark": "/icon-dark-128.png",
        "size": 128
      }
    ],
    "default_popup": "popup.html"
  },
  "permissions": [
    "storage",
    "alarms",
    "https://music.youtube.com/*",
    "https://raw.githubusercontent.com/xoundbyte/soul-over-ai/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ytm-no-slop@zopi.eu",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://music.youtube.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}