Add context path in module.json (#50)

* Update module.json

* Use 1.* for Microsoft.Azure.Devices.Client

Author: formulahendry

content/dotnet-template-azure-iot-edge-module/CSharp/SampleModule.csproj

@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.Devices.Client" Version="1.18.0" />
+    <PackageReference Include="Microsoft.Azure.Devices.Client" Version="1.*" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="2.1.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="2.1.1" />

content/dotnet-template-azure-iot-edge-module/CSharp/module.json

@@ -12,7 +12,8 @@
                 "windows-amd64": "./Dockerfile.windows-amd64"
             }
         },
-        "buildOptions": []
+        "buildOptions": [],
+        "contextPath": "./"
     },
     "language": "csharp"
-}
+}