update to the latest json schema to fix 'path cannot be null' error

Author: mhshami01

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 [![Nuget](https://img.shields.io/nuget/v/Microsoft.Azure.IoT.Edge.Module.svg)](https://www.nuget.org/packages/Microsoft.Azure.IoT.Edge.Module/)
 
+### 3.1.1 (2021-09-01)
+* [Updated] Updated the nuget template json to match the schema
+
 ### 3.1.0 (2020-04-07)
 * [Updated] Add arm64v8 and arm64v8.debug dockerfiles
 * [Updated] Upgrade .Net Core SDK to 3.1

Microsoft.Azure.IoT.Edge.Module.nuspec

@@ -2,7 +2,7 @@
 <package>
     <metadata>
     <id>Microsoft.Azure.IoT.Edge.Module</id>
-    <version>3.1.0</version>
+    <version>3.1.1</version>
     <title>Azure IoT Edge Module</title>
     <authors>Microsoft</authors>
     <owners>microsoft, nugetazureiotedge</owners>

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

@@ -1,4 +1,5 @@
 {
+    "$schema": "http://json.schemastore.org/template",
     "author": "Microsoft",
     "classifications": [
         "Console"
@@ -12,10 +13,10 @@
         "type": "project"
     },
     "sourceName": "SampleModule",
-    "preferNameDirectory": "true",
+    "preferNameDirectory": true,
     "primaryOutputs": [
         {
-            "path": ""
+            "path": "."
         }
     ],
     "symbols": {
@@ -52,4 +53,4 @@
             "continueOnError": true
         }
     ]
-}
+}