refactor: enhance comments for central package version management in Directory.Packages.props

Author: jeangatto

Directory.Packages.props

@@ -1,8 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
   <PropertyGroup>
+    <!-- Enable central package version management so projects can omit explicit versions -->
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <!-- Pin transitive dependency versions to the central versions to improve reproducibility -->
     <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
+    <!-- Allow floating (wildcard) versions in the central list (e.g. 9.* or 15.1.*) -->
     <CentralPackageFloatingVersionsEnabled>true</CentralPackageFloatingVersionsEnabled>
     <NoWarn>$(NoWarn);NU1507</NoWarn>
   </PropertyGroup>