Added config for Docker

Bot_Discord_CSharp/Dockerfile.txt

@@ -0,0 +1,18 @@
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build-env
+WORKDIR /app
+
+# Copy csproj and restore as distinct layers
+COPY *.csproj ./
+RUN dotnet restore
+
+# Copy everything else and build
+COPY . ./
+RUN dotnet publish -c Release -o out
+
+# Build runtime image
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1
+WORKDIR /app
+COPY --from=build-env /app/out .
+
+#COPY config.json ./
+ENTRYPOINT ["dotnet", "Bot_Discord_CSharp.dll"]