How do I upload my NFT assets using umi from Metaplex.

The docs are in this page. https://github.com/metaplex-foundation/umi/blob/main/docs/storage.md

I do not see anywhere about where I can upload to.

How do I upload my NFT assets using umi from Metaplex.

The docs are in this page. https://github.com/metaplex-foundation/umi/blob/main/docs/storage.md

Is there a tutorial or code snippet of how I can do this? Any storage provider is okay. Even if it's centrialized.