update configs for beta36+ of core tools and add windows if check (#23)

* update configs for beta36 of core tools and add windows if check

* add a comment to explain why execution policy is needed

examples/PSCoreApp/host.json

@@ -1,4 +1,5 @@
 {
+    "version": "2.0",
     "logger": {
         "categoryFilter": {
             "defaultLevel": "Trace",

src/PowerShell/PowerShellManager.cs

@@ -28,7 +28,14 @@ internal class PowerShellManager
         internal PowerShellManager(RpcLogger logger)
         {
             var initialSessionState = InitialSessionState.CreateDefault();
-            initialSessionState.ExecutionPolicy = Microsoft.PowerShell.ExecutionPolicy.Unrestricted;
+
+            // Setting the execution policy on macOS and Linux throws an exception so only update it on Windows
+            if(Platform.IsWindows)
+            {
+                // This sets the execution policy on Windows to Unrestricted which is required to run the user's function scripts on
+                // Windows client versions. This is needed if a user is testing their function locally with the func CLI
+                initialSessionState.ExecutionPolicy = Microsoft.PowerShell.ExecutionPolicy.Unrestricted;
+            }
             _pwsh = PowerShell.Create(initialSessionState);
             _logger = logger;
 

src/worker.config.json

@@ -1,8 +1,8 @@
 {
-    "Description":{
-        "Language":"powershell",
-        "Extension":".ps1",
-        "DefaultExecutablePath":"dotnet",
-        "DefaultWorkerPath":"Azure.Functions.PowerShell.Worker.dll"
+    "description":{
+        "language":"powershell",
+        "extensions":[".ps1"],
+        "defaultExecutablePath":"dotnet",
+        "defaultWorkerPath":"Azure.Functions.PowerShell.Worker.dll"
     }
 }