Please add file uploads.

1. Read blackwall://storage.
2. Create a bucket with create_bucket. Set public: true only for things that are already public, such as profile pictures;
   everything else is private by default.
3. To upload, send the file bytes as they are to POST /storage/v1/object/<bucket>/<name>.
4. Check with list_buckets that it was created.

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https://end.blackall.ai/docs/how/add-uploads?lang=en