Add missing bits to support correctly macOS

XAMLator.Build.Tasks/XAMLator.targets

@@ -17,6 +17,11 @@
                 <XAMLatorAssemblyPath>$(MSBuildThisFileDirectory)..\lib\monoandroid81\XAMLator.Server.dll</XAMLatorAssemblyPath>
             </PropertyGroup>
         </When>
+        <When Condition="$(TargetFrameworkIdentifier) == 'Xamarin.Mac'">
+            <PropertyGroup>
+                 <XAMLatorAssemblyPath>$(MSBuildThisFileDirectory)..\lib\Xamarin.Mac\XAMLator.Server.dll</XAMLatorAssemblyPath>
+            </PropertyGroup>
+        </When>
     </Choose>
     <!-- this will automatically run after the 'Build' target -->
     <Target Name="WeaveXAMLator" BeforeTargets="_CopyFilesMarkedCopyLocal">

nuget/XAMLator.nuspec

@@ -31,7 +31,7 @@
     <file src="../XAMLator.Server.iOS/bin/Release/XAMLator.Server.pdb" target="lib/xamarinios10/XAMLator.Server.pdb" />
     <file src="../XAMLator.Server.Net461/bin/Release/XAMLator.Server.dll" target="lib/net461/XAMLator.Server.dll" />
     <file src="../XAMLator.Server.Net461/bin/Release/XAMLator.Server.pdb" target="lib/net461/XAMLator.Server.pdb" />
-    <file src="../XAMLator.Server.Mac/bin/Release/XAMLator.Server.dll" target="lib/Xamarin.Mac/Xamarin.Server.dll" />
+    <file src="../XAMLator.Server.Mac/bin/Release/XAMLator.Server.dll" target="lib/Xamarin.Mac/XAMLator.Server.dll" />
     <file src="../XAMLator.Server.Mac/bin/Release/XAMLator.Server.pdb" target="lib/Xamarin.Mac/XAMLator.Server.pdb" />
     <file src="../packages/Mono.Cecil.0.10.1/lib/net40/Mono.Cecil.dll" target="build\Mono.Cecil.dll" />
     <file src="../XAMLator.Build.Tasks/XAMLator.targets" target="build\XAMLator.targets" />