Adding Delta and Nebula to Machine Learning section

README.md

@@ -957,6 +957,8 @@ See [[Machine learning](https://crates.io/keywords/machine-learning)]
 See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_eng/about-rust-s-machine-learning-community-4cda5ec8a790#.hvkp56j3f) and [Are we learning yet?](https://www.arewelearningyet.com).
 
 * [autumnai/leaf](https://github.com/autumnai/leaf) - Open Machine Intelligence framework.. Abandoned project. The most updated fork is [juice](https://github.com/fff-rs/juice).
+* [blackportal-ai/delta](https://github.com/blackportal-ai/delta) - Δ An Open-Source Machine Learning Framework in Rust. ![crates.io](https://img.shields.io/crates/v/deltaml.svg) ![build](https://img.shields.io/github/actions/workflow/status/blackportal-ai/delta/core.yml?branch=master)
+* [blackportal-ai/nebula](https://github.com/blackportal-ai/nebula) - A Package Manager for Machine Learning Datasets and Models. ![build](https://img.shields.io/github/actions/workflow/status/blackportal-ai/nebula/core.yml?branch=master) 
 * [burn](https://github.com/tracel-ai/burn) - A Flexible and Comprehensive Deep Learning Framework.
 * [coreylowman/dfdx](https://github.com/coreylowman/dfdx) - CUDA accelerated machine learning framework that leverages many of Rust's unique features. ![Crates.io](https://img.shields.io/crates/v/dfdx)
 * [guillaume-be/rust-bert](https://github.com/guillaume-be/rust-bert) [[rust_bert](https://crates.io/crates/rust_bert)] - Ready-to-use NLP pipelines and language models