add docker debug file for linux-x64 (#2)

* add docker debug file for linux-x64

* update version

Author: Summer

Microsoft.Azure.IoT.Edge.Module.nuspec

@@ -2,7 +2,7 @@
 <package>
     <metadata>
     <id>Microsoft.Azure.IoT.Edge.Module</id>
-    <version>0.8.0</version>
+    <version>0.9.0</version>
     <title>Azure IoT Edge Module</title>
     <authors>Microsoft</authors>
     <owners>microsoft, nugetazureiotedge</owners>

content/dotnet-template-azure-iot-edge-module/CSharp/Docker/linux-x64/Dockerfile.debug

@@ -0,0 +1,15 @@
+FROM microsoft/dotnet:2.0.0-runtime
+
+ARG EXE_DIR=.
+
+WORKDIR /app
+
+COPY $EXE_DIR/ ./
+
+RUN apt-get update
+
+RUN apt-get install -y unzip procps
+
+RUN curl -sSL https://aka.ms/getvsdbgsh | bash /dev/stdin -v latest -l ~/vsdbg
+
+CMD ["dotnet", "SampleModule.dll"]