feat: add new config strategy to backend

backend/src/config/config.controller.ts

@@ -0,0 +1,18 @@
+import { Controller, Get } from "@nestjs/common";
+import { ConfigService } from "./config.service";
+import { ConfigDTO } from "./dto/config.dto";
+
+@Controller("configs")
+export class ConfigController {
+  constructor(private configService: ConfigService) {}
+
+  @Get()
+  async list() {
+    return new ConfigDTO().fromList(await this.configService.list())
+  }
+
+  @Get("admin")
+  async listForAdmin() {
+    return await this.configService.listForAdmin();
+  }
+}