Rename CoreModule README for clarity and consistency

Renamed `src\Modules\CoreModule\README.md` to
`src\Modules\CoreModule\Core-README.md` in the project file.
This change ensures a more descriptive and unique file name,
aligning with naming conventions and avoiding potential conflicts.

Author: vip32

BridgingIT.DevKit.Templates.csproj

@@ -56,7 +56,7 @@
     <Content Include="Directory.Packages.props" Pack="true" PackagePath="content/" />
     <Content Include="BridgingIT.DevKit.Examples.GettingStarted.sln" Pack="true" PackagePath="content/" />
     <Content Include="src\Modules\CoreModule\Core-API.http" Pack="true" PackagePath="content/" />
-	<Content Include="src\Modules\CoreModule\README.md" Pack="true" PackagePath="content/" />
+	<Content Include="src\Modules\CoreModule\Core-README.md" Pack="true" PackagePath="content/" />
     <Content Include="CODE_OF_CONDUCT.md" Pack="true" PackagePath="content/" />
     <Content Include="README.md" Pack="true" PackagePath="content/" />
     <Content Include="LICENSE" Pack="true" PackagePath="content/" />