Remove broken link from ch 4

Update log freq to every 10 steps

Merge branch 'main' of https://github.com/LambdaLabsML/distributed-training-guide

Adding bucket_cap_mb setting to ch2 and moving torch.compile before DDP

Add pytorch conference slidesl ink

Removing optimizer.load for DDP+ZeRO

Fixing some readme links

Merge branch 'main' of https://github.com/LambdaLabsML/distributed-training-guide

Small updates & bug fixes

Update FSDP graphic

Update DDP graphic

Fix link to ML Times in README.md

Update activation checkpoint code block inreadme

Update ch 5 activation checkpoint code

Update README.md