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kotlinlang

I'm kindly asking for some feedback. I've implemented forms support with validation in my experimental wasm/js framework. In this example code I've implemented a simple form based on Bootstrap custom validation.
<https://github.com/rjaros/kilua/blob/main/examples/bootstrap-form/src/commonMain/kotlin/main.kt>
What do you think about the code? Is it readable? Can you understand what this code does without deeper knowledge of the framework itself?  Any other thoughts? Thanks for your time!

The original Bootstrap html code is here: <https://getbootstrap.com/docs/5.3/forms/validation/#custom-styles>