임시폴더생성 api 추가

src/main/java/com/kamco/cd/training/train/TrainApiController.java

@@ -164,4 +164,26 @@ public class TrainApiController {
     testJobService.cancel(modelId);
     return ApiResponseDto.ok("ok");
   }
+
+  @Operation(summary = "데이터셋 tmp 파일생성", description = "데이터셋 tmp 파일생성 API")
+  @ApiResponses(
+      value = {
+        @ApiResponse(
+            responseCode = "200",
+            description = "데이터셋 tmp 파일생성 성공",
+            content =
+                @Content(
+                    mediaType = "application/json",
+                    schema = @Schema(implementation = String.class))),
+        @ApiResponse(responseCode = "400", description = "잘못된 검색 조건", content = @Content),
+        @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
+      })
+  @PostMapping("/create-tmp/{uuid}")
+  public ApiResponseDto<UUID> createTmpFile(
+      @Parameter(description = "uuid", example = "80a0e544-36ed-4999-b705-97427f23337d")
+          @PathVariable
+          UUID uuid) {
+
+    return ApiResponseDto.ok(trainJobService.createTmpFile(uuid));
+  }
 }