[feature] Additition of Meta transformer

[rajveer43]

Model description

Introducing a groundbreaking research paper that explores the potential of unified multimodal learning, revolutionizing the way we process and integrate diverse data types such as text, images, audio, and more! 🌟 meta-transformer

Open source status

• [X] The model implementation is available
• [x] The model weights are available

Provide useful links for the implementation

https://github.com/invictus717/MetaTransformer