Implemented the `reduce` and `reduce_async` operators#37

Merged

dbrattli merged 2 commits intodbrattli:masterfrom francipvb:features/reduce-operator

Jan 14, 2024

+136

Commits on Nov 13, 2022

Implemented the reduce and reduce_async operators.
francipvb
committed
Added documentation to the reduce operator. Also added reduce calls to the chained observable class.
francipvb
committed