Shadertoy Custom Texures

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "version": "1.4",
  "name": "Shadertoy Custom Texures",
  "description": "Allows custom 2D textures, music and videos to temporarily be used in Shadertoy",
  "host_permissions": [
    "*://*.shadertoy.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.shadertoy.com/view/*",
        "*://*.shadertoy.com/new"
      ],
      "run_at": "document_end",
      "js": [
        "inject.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "myscript.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}