My personal site is built with Hugo, you do need to learn their Markdown extension syntax if you want useful things like automatic linking between pages, or writing your own macros.. but you definitely don't need any Go skills.
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I don't think you need to know Go to use Hugo.
My personal site is built with Hugo, you do need to learn their Markdown extension syntax if you want useful things like automatic linking between pages, or writing your own macros.. but you definitely don't need any Go skills.