chore: reorder and format imports for consistency across modules

backend/src/app.module.ts

@@ -1,9 +1,9 @@
 import { Module } from "@nestjs/common";
+import { ConfigModule } from "@nestjs/config";
 import { AppController } from "./app.controller";
 import { AppService } from "./app.service";
-import {DatabaseModule} from "./database/database.module";
+import { CryptoModule } from "./crypto/crypto.module";
-import {ConfigModule} from "@nestjs/config";
+import { DatabaseModule } from "./database/database.module";
-import {CryptoModule} from "./crypto/crypto.module";
 
 @Module({
 	imports: [
@@ -11,7 +11,8 @@ import {CryptoModule} from "./crypto/crypto.module";
 		CryptoModule,
 		ConfigModule.forRoot({
 			isGlobal: true,
-		})],
+		}),
+	],
 	controllers: [AppController],
 	providers: [AppService],
 })

backend/src/crypto/crypto.service.ts

@@ -1,7 +1,7 @@
-import {Injectable, Logger} from "@nestjs/common";
+import { Injectable, Logger } from "@nestjs/common";
-import {ConfigService} from "@nestjs/config";
+import { ConfigService } from "@nestjs/config";
-import {ml_kem768} from "@noble/post-quantum/ml-kem.js";
+import { ml_kem768 } from "@noble/post-quantum/ml-kem.js";
-import {hash, verify} from "@node-rs/argon2";
+import { hash, verify } from "@node-rs/argon2";
 import * as jose from "jose";
 
 @Injectable()