-- some Usage documentation in the README
-- re-ordering some components in README
-- adding some code and datomic lib for possible use in find function
-- have working find-posts function, using 'set' library (relational algebra)
-- adding function to list all posts
-- abstracting out basic CRUD functions, so they can work on Posts, Assets, and Tags
-- abstracting CRUD to some basic functions, which other domain, now decorate