feat: add new formula parsing module #3056

Job	Run time
Build Docs	1m 57s
Tests vs fixest (ubuntu-latest, 3.9, --workers 4 --tests-per-worker 1)	9m 17s
Tests Core (ubuntu-latest, 3.14, --workers 4 --tests-per-worker 1)	4m 36s
Tests vs fixest (ubuntu-latest, 3.14, --workers 4 --tests-per-worker 1)	9m 11s
Tests Core (ubuntu-latest, 3.9, --workers 4 --tests-per-worker 1)	4m 32s
Publish Docs	0s
Merge Coverage	0s
	29m 33s

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