feat: migrate DDIM to Reactant

[avik-pal]

Note we definitely need a new EnzymeJAX tag and a bunch of optimizations to go through before this can be run with the best performance

[avik-pal]

This one definitely needs me to implement the loop using @trace else it takes forever to compile the generate function

[github-actions]

Benchmark Results (ASV)

	main	b2e5e6e...	main/b2e5e6e8f83eda...
basics/overhead	0.135 ± 0.0016 μs	0.128 ± 0.0021 μs	1.05
time_to_load	0.888 ± 0.0027 s	0.904 ± 0.026 s	0.982

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR.
Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).