* [core] Convert HashService into an effect Hasher
* [core] LocalFileStreamSuite fix prep of test env
* [core] LocalFileStreamSuite Refactor
* [core] Add Hasher.hashObjectChunk
* [core] make MD5HashGenerator private
Moved MD5HashGenerator into package hasher and made it private to that
package, together with the Hasher effect which is the only permitted
user of it. Added hex and digest methods to Hasher.
Similar for the ETageGenerator in [storage-aws], moved into a hasher
package and made private. It can only be accessed using the S3Hasher
effect.
* [domain] Add Monoid
* [domain] Sources use Monoid
* [core] ActionGenerator Refactor
* [core] Use >>= and *> operators
* [config] Refactoring
* [storage-aws] Refactoring
* [domain] Refactoring
* [core] Refactoring
* [config] refactoring
* Refactoring
* [core] PlanBuilder Refactoring
* [core] Make PlanBuilder into an object
* [storate-aws] Copier Reduce the number of parameters
