Update package versioning and add logo to nuspec

Refactored versioning in Directory.Build.props to use MS_PACKAGE_VERSION and updated DynamoPackageVersion. Modified nuspec to use a variable for version and include logo.png in the package. Added logo.png to the repository.

Author: zeusongit

Directory.Build.props

@@ -10,9 +10,10 @@
 		<ImplicitUsings>enable</ImplicitUsings>
 		<Nullable>enable</Nullable>
 
-		<!-- Using `VersionPrefix` allows specifying a `version-suffix` argument when packing for beta releases. -->
-		<VersionPrefix>1.4.4</VersionPrefix>
-		<DynamoPackageVersion>4.0.0-beta2860</DynamoPackageVersion>
+		<!-- This is the version used for created NuGet packages. Using `VersionPrefix` allows specifying a `version-suffix` argument when packing for beta releases. -->
+		<MS_PACKAGE_VERSION Condition="'$(MS_PACKAGE_VERSION)' == ''">0.0.0.0</MS_PACKAGE_VERSION>
+		<VersionPrefix>$(MS_PACKAGE_VERSION)</VersionPrefix>
+		<DynamoPackageVersion>4.0.0.3277</DynamoPackageVersion>
 		<DynamoVersion>4.0</DynamoVersion>
 
 		<!--Aids in code analysis.-->

DynamoVisualProgramming.PythonEngine.PythonNet3.nuspec

@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd">
     <metadata>
         <id>DynamoVisualProgramming.PythonEngine.PythonNet3</id>
-        <version>0.0.0</version>
+        <version>$version$</version>
         <authors>Autodesk</authors>
         <owners>Autodesk</owners>
         <license type="expression">Apache-2.0</license>
@@ -12,6 +12,7 @@
         <copyright>Copyright Autodesk 2025</copyright>
     </metadata>
     <files>
+        <file src="logo.png" target="content\logo\" />
         <file src="package_output\DSPythonNet3\pkg.json" target="content\manifest\" />
         <file src="package_output\DSPythonNet3\bin\**" target="lib\net10.0\" exclude="**\*.pdb;" />
         <file src="package_output\DSPythonNet3\extra\**" target="lib\net10.0\" exclude="**\*.pdb;" />