cast values

src/config/carpool.config.ts

@@ -1,6 +1,7 @@
 import { registerAs } from '@nestjs/config';
+import { Config } from './config';
 
-export interface CarpoolConfig {
+export interface CarpoolConfig extends Config {
   departureTimeMargin: number;
   role: string;
   seatsProposed: number;

src/config/config.ts

@@ -0,0 +1,5 @@
+import { ConfigurationDomain } from '@mobicoop/configuration-module';
+
+export interface Config {
+  domain: ConfigurationDomain;
+}

src/config/pagination.config.ts

@@ -1,6 +1,7 @@
 import { registerAs } from '@nestjs/config';
+import { Config } from './config';
 
-export interface PaginationConfig {
+export interface PaginationConfig extends Config {
   perPage: number;
 }