Refactor code structure for improved readability and maintainability

src/api/api.controller.ts

@@ -0,0 +1,20 @@
+import { Body, Controller, Delete, Inject, Post } from "@nestjs/common";
+import { ApiService } from "./api.service";
+
+@Controller("api")
+export class ApiController {
+  constructor(
+    @Inject(ApiService)
+    private readonly apiService: ApiService
+  ) {}
+
+  @Post("token/generate")
+  generateToken(@Body() body: { token: string }) {
+    return this.apiService.generateToken(body.token);
+  }
+
+  @Delete("token/revoke")
+  revokeToken(@Body() body: { token: string }) {
+    return this.apiService.revokeToken(body.token);
+  }
+}