Add accessors for a different persistence type (text? json?)

[farlee2121]

The idea here is to show how easy it should be to swap out data sources.

Could even base the persistence choice on configuration.

[farlee2121]

An in-memory persistence would be simple. We could even serialize it from the in-memory store

[farlee2121]

Algolia is free for open source. I could add a basic search and an algolia-powered search