chore: map responses of getting of connections and schemas to internal dtos

.env.example

CHANGELOG.md

apps/gateway/src/app/managers/attestation.controller.ts

apps/gateway/src/app/managers/proof.controller.ts

apps/proof-manager/src/app/app.controller.ts

compose/docker-compose.simple.yml

compose/env/holder.simple.env

compose/env/issuer.simple.env

gateway-swagger.json

libs/askar/src/agent.utils.ts

libs/askar/src/askar-nats/event.handler.service.ts

libs/askar/src/askar-rest/askar.rest.module.ts

libs/askar/src/askar-rest/auth/basic.guard.ts

libs/askar/src/askar-rest/auth/basic.middleware.ts

libs/askar/src/askar-rest/auth/basic.strategy.ts

libs/askar/src/askar-rest/rest.controller.ts

libs/askar/src/askar/agent-event-listener.service.ts

libs/askar/src/askar/agent.service.ts

libs/askar/src/askar/askar.module.ts

libs/askar/src/askar/askar.service.ts