Implements Aggregation queries in Firestore#96

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Lyokone merged 3 commits intoinvertase:mainfrom

FXschwartz:aggregate-queries

Nov 4, 2025

Commits on Oct 3, 2025

Added support for the count() aggregation query.
FXschwartz
committed
Added support for sum, average, and running multiple aggregate queries at once.
FXschwartz
committed
Fixed naming convention for the count, sum, and average classes.
FXschwartz
committed