Create the following monadic and/or fluent composers to be used by other services

[risavkarna]

• Concept
• AI/ML

Concepts are native to the DB whereas AI/ML nodes usually just write and read from the DB.

• Map Reduce Chain
• Processing Pipeline

Map reduce chains are native to the DB but seldom used for performance and load distribution concerns. Processing pipelines are a more generalized notion derived from map reduce chains that will be used frequently by each node.