Add ResNet baseline and ConvNeXt v2 backend Dockerfile

Dockerfile

@@ -16,6 +16,7 @@ RUN pip install --no-cache-dir --upgrade pip && \
 
 COPY *.py ./
 COPY best_convnext_multitask.pth ./
+COPY resnet50_multitask_mold.pth ./
 
 EXPOSE 7860