Cool, the biggest issue for me when I was trying to do the same thing (turn my beefy PC to a "gaming console") was the ability to turn it on with gamepad. I've spent a lot of time researching it and have not found a reliable solution.
How about pets.txt? My cat contributes a lot to my wellbeing so it was a tremendous help while building a website, I am sure people would like to know it.
Just start with the standard library and you will be OK, in Go there is rarely a _need_ for some kind of framework to get going as I assume it is in JS.
What is "next gen" in this implementation? Chrome support?
IMO the hardest things in distributed crawling at scale are a good URL frontier, priorities, rate limiting and things like that, which are quite often overlooked.