Add training pipelines

[NeelayS]

Relevant papers:

• https://arxiv.org/abs/2111.06377
• https://arxiv.org/abs/2104.14294
• https://arxiv.org/abs/2203.12602

[alvanli]

Also want to add these two here

• (MOCOv3) https://arxiv.org/pdf/2104.02057.pdf
• (How to train your ViT) https://arxiv.org/pdf/2106.10270.pdf