feat: add custom-metadata to upload

[silentworks]

What kind of change does this PR introduce?

• Add custom metadata on upload
• Fix warnings tests were giving with pytest-asyncio

What is the current behavior?

Please link any relevant issues here.

What is the new behavior?

Custom Metadata

Adds support for custom metadata on objects:

storage.from_(bucketName).upload(uploadPath, file, {
        "metadata": {
          "custom": "metadata",
          "second": "second",
          "third": "third",
        },
})

Additional context

Relates to supabase/storage#439
#295
supabase/storage-js#207

[J0]

LGTM, thanks

[dillahCodes]

hi @silentworks how to get metadata from the file?

[lauri865]

I guess TUS doesn't support x-medata header yet @silentworks? Would be a great addition.

[lauri865]

Ah, it's possible to provide it as part of metadata.metadata in the TUS client rather than headers.