What are the requirements for publishing code as nuget

Having studied several sources such as

https://docs.microsoft.com/en-us/nuget/quickstart/create-and-publish-a-package-using-visual-studio?tabs=netcore-cli

I am still lacking information as to which requirements a package must fulfill. I understand most of them are packed libraries, but am I allowed to publish let's say my own collection of code snippets that I gathered or collected over the years as let's say benj.kickasssnippets for which no documentation (other than maybe the code itself in a tumbleweed github repo) will ever exist and for which nobody other than me will ever have use?

I find it hard to believe that there are none such requirements and Microsoft not being concerned about filling their storage up with half empty Hello World from a Nuget Library-Projects