adding nginx page & simulation endpoint

ASP.NET/Dockerfile

@@ -15,11 +15,13 @@ RUN cd out && \
     wget https://files.ivanch.me/api/public/dl/iFuXSNhw/small-image.png && \
     wget https://files.ivanch.me/api/public/dl/81Bkht5C/big-image.png && \
     wget https://files.ivanch.me/api/public/dl/nAndfAjK/video.mp4 && \
+    wget https://files.ivanch.me/api/public/dl/RzXwJG7o/nginx.html && \
     rm -rf runtimes && \
     mkdir -p ./static && \
     mv small-image.png ./static && \
     mv big-image.png ./static && \
-    mv video.mp4 ./static
+    mv video.mp4 ./static && \
+    mv nginx.html ./static
 
 # Build runtime image
 FROM mcr.microsoft.com/dotnet/aspnet:6.0-bullseye-slim