サムネスキン😎ヒカキンが全てのサムネに降臨！

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "サムネスキン😎ヒカキンが全てのサムネに降臨！",
  "version": "1.1",
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    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
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  "description": "【神】YouTubeのサムネがヒカキンだらけになるChrome拡張機能が遂に登場！",
  "host_permissions": [
    "https://www.youtube.com/*"
  ],
  "content_scripts": [
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      ],
      "js": [
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      "run_at": "document_idle"
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  "web_accessible_resources": [
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      "resources": [
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}