Memory optimization NOMAD nexus parser#750

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mkuehbach wants to merge 8 commits intomasterfrom

mem_optimization_parsing

Commits on Mar 17, 2026

incomplete skeleton, untested, unfinished, next steps, implement statistics, for chunked need to compute by hand, take care for complex values
atomprobe-tc
committed

Commits on Mar 18, 2026

Welford's algorithm skeleton
atomprobe-tc
committed