feat: implement connection micro service

libs/config/src/interfaces/agent.config.interface.ts

libs/config/src/interfaces/connection.manager.interface.ts

libs/config/src/interfaces/gateway.config.interface.ts

libs/config/src/interfaces/ledgers.config.interface.ts

libs/config/src/interfaces/nats.config.interface.ts

libs/config/src/schemas/agent.schema.ts

libs/config/src/schemas/connection.manager.schema.ts

libs/config/src/schemas/gateway.schema.ts

libs/config/src/schemas/ledgers.schema.ts

libs/config/src/schemas/nats.schema.ts

libs/config/tsconfig.json

libs/config/tsconfig.lib.json

libs/config/tsconfig.spec.json

libs/dtos/src/dtos/requests/get.connection.request.dto.ts

libs/dtos/src/dtos/requests/issue.proof.request.dto.ts

...dtos/src/dtos/responses/create.invitation.response.dto.ts

.../dtos/src/dtos/responses/gateway.accepted.response.dto.ts

libs/dtos/src/errors/connection.unsupported.type.error.ts

libs/dtos/src/events/event.ts

libs/dtos/src/events/types.ts