WRP Validator Middleware: Validator #95
Description
Allow users to add validators and other middleware on top of their decoder/encoder for easier usage & maintenance.
Related to #95, #96, #25, #78, xmidt-org/scytale#88, xmidt-org/talaria#153, xmidt-org/talaria#240, xmidt-org/talaria#241, xmidt-org/scytale#182, xmidt-org/caduceus#330 and builds on top of #80 and #84.