chore: add `batch_addition` code #350

Job	Run time
Build - x86_64-unknown-linux-gnu	1m 8s
Build - aarch64-unknown-linux-gnu	1m 12s
Build - aarch64-apple-darwin	1m 19s
Build - x86_64-apple-darwin	1m 17s
Build - x86_64-pc-windows-gnu	3m 43s
Test - x86_64-unknown-linux-gnu	55s
Test - aarch64-unknown-linux-gnu	1m 36s
Test - x86_64-apple-darwin	59s
Test - aarch64-apple-darwin	52s
Test - x86_64-pc-windows-gnu	1m 33s
Publish	0s
	14m 34s

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