feat: Implement PDF recipe parser and quick import service for file and URL inputs

backend/src/quick-import/quick-import.controller.ts

@@ -1,4 +1,7 @@
-import { Controller, Post, Body } from '@nestjs/common';
+import { Body, Controller, Post, UploadedFile, UseInterceptors } from '@nestjs/common';
+import { FileInterceptor } from '@nestjs/platform-express';
+import { memoryStorage } from 'multer';
+import { QuickImportDto } from './dto/quick-import.dto';
 import { QuickImportService, QuickImportResult } from './quick-import.service';
 
 @Controller('quick-import')
@@ -6,9 +9,20 @@ export class QuickImportController {
   constructor(private readonly quickImportService: QuickImportService) {}
 
   @Post()
+  @UseInterceptors(
+    FileInterceptor('file', {
+      storage: memoryStorage(),
+      limits: { fileSize: 10 * 1024 * 1024 },
+    }),
+  )
   async importFromInput(
-    @Body() body: { input: string }
+    @Body() body: QuickImportDto,
+    @UploadedFile() file?: Express.Multer.File,
   ): Promise<QuickImportResult> {
-    return this.quickImportService.importFromInput(body.input);
+    if (file) {
+      return this.quickImportService.importFromUpload(file);
+    }
+
+    return this.quickImportService.importFromInput(body?.input ?? '');
   }
 }