add geographyConfig

src/config/geography.config.ts

@@ -0,0 +1,12 @@
+import { registerAs } from '@nestjs/config';
+import { Config } from './config';
+
+export interface GeographyConfig extends Config {
+  georouterType: string;
+  georouterUrl: string;
+}
+
+export default registerAs('geography', () => ({
+  georouterType: process.env.GEOROUTER_TYPE ?? 'graphhopper',
+  georouterUrl: process.env.GEOROUTER_URL ?? 'http://localhost:8989',
+}));