streamdeck-plugin/com.jetbrains.ide.sdPlugin/public/plugin.html (10 lines of code) (raw):
<!DOCTYPE html>
<html lang="en">
<head>
<title>JetBrains IDEA App</title>
<meta charset="utf-8">
<script src="./dist/idea-plugin-bundle.js"></script>
</head>
<body>
</body>
</html>