Move general reshuffling stuff into a separate file

[Red-Portal]

No description provided.

[github-actions]

AdvancedVI.jl documentation for PR #208 is available at:
https://TuringLang.github.io/AdvancedVI.jl/previews/PR208/

[github-actions]

Benchmark Results

Benchmark suite	Current: 342eaf5	Previous: 07677ba	Ratio
normal/RepGradELBO + STL/meanfield/Zygote	4066969963 ns	3926699845.5 ns	1.04
normal/RepGradELBO + STL/meanfield/ReverseDiff	1134021861 ns	1129129560 ns	1.00
normal/RepGradELBO + STL/meanfield/Mooncake	1230398066 ns	1188870961 ns	1.03
normal/RepGradELBO + STL/fullrank/Zygote	4028531272.5 ns	3917877920.5 ns	1.03
normal/RepGradELBO + STL/fullrank/ReverseDiff	1664564257.5 ns	1621942667.5 ns	1.03
normal/RepGradELBO + STL/fullrank/Mooncake	1303574764 ns	1251958309.5 ns	1.04
normal/RepGradELBO/meanfield/Zygote	2874406275 ns	2827498881 ns	1.02
normal/RepGradELBO/meanfield/ReverseDiff	792665448 ns	767570073 ns	1.03
normal/RepGradELBO/meanfield/Mooncake	1107462836 ns	1086389748 ns	1.02
normal/RepGradELBO/fullrank/Zygote	2895393942 ns	2885231390.5 ns	1.00
normal/RepGradELBO/fullrank/ReverseDiff	974845296 ns	966609853 ns	1.01
normal/RepGradELBO/fullrank/Mooncake	1155466916 ns	1143337856 ns	1.01
normal + bijector/RepGradELBO + STL/meanfield/Zygote	5764073626 ns	5679981199 ns	1.01
normal + bijector/RepGradELBO + STL/meanfield/ReverseDiff	2463240475 ns	2382836580 ns	1.03
normal + bijector/RepGradELBO + STL/meanfield/Mooncake	4229823187.5 ns	4116867446.5 ns	1.03
normal + bijector/RepGradELBO + STL/fullrank/Zygote	5805220163 ns	5698979946 ns	1.02
normal + bijector/RepGradELBO + STL/fullrank/ReverseDiff	3102047918 ns	3056601648 ns	1.01
normal + bijector/RepGradELBO + STL/fullrank/Mooncake	4380091330 ns	4300392578.5 ns	1.02
normal + bijector/RepGradELBO/meanfield/Zygote	4482784315.5 ns	4456748894.5 ns	1.01
normal + bijector/RepGradELBO/meanfield/ReverseDiff	2078567520 ns	2017598494 ns	1.03
normal + bijector/RepGradELBO/meanfield/Mooncake	4139335931 ns	3990241742.5 ns	1.04
normal + bijector/RepGradELBO/fullrank/Zygote	4566225456.5 ns	4492830471 ns	1.02
normal + bijector/RepGradELBO/fullrank/ReverseDiff	2331019866 ns	2261989080 ns	1.03
normal + bijector/RepGradELBO/fullrank/Mooncake	4244363454.5 ns	4057577952.5 ns	1.05

This comment was automatically generated by workflow using github-action-benchmark.