WRP Validator Integrations: Scytale Endpoints

[denopink]

Integrate wrp validators/metrics to Scytale endpoints.

Related to xmidt-org/wrp-go#95, xmidt-org/wrp-go#96, xmidt-org/wrp-go#25, xmidt-org/wrp-go#78, #88, xmidt-org/talaria#153, xmidt-org/talaria#240, xmidt-org/talaria#241, #182, xmidt-org/caduceus#330 and builds on top of xmidt-org/wrp-go#80 and xmidt-org/wrp-go#84.