Update Directory.Build.props with version

Author: iMvBremen

Directory.Build.props

@@ -5,6 +5,13 @@
         <TargetFramework>net9.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
+        <IsPackable>false</IsPackable>
+    </PropertyGroup>
+
+    <!-- Version -->
+    <PropertyGroup>
+        <VersionPrefix>1.0.0</VersionPrefix>
+        <VersionSuffix></VersionSuffix>
     </PropertyGroup>
 
 </Project>