fix: add csharp package reference (#72)

SharpFM.csproj

@@ -25,6 +25,8 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.8.0" />
+
     <PackageReference Include="Avalonia" Version="11.0.10" />
     <PackageReference Include="Avalonia.Desktop" Version="11.0.10" />
     <PackageReference Include="Avalonia.Xaml.Interactions" Version="11.0.10" />
@@ -33,18 +35,21 @@
     <PackageReference Include="Avalonia.AvaloniaEdit" Version="11.0.6" />
     <PackageReference Include="TextMateSharp.Grammars" Version="1.0.56" />
     <PackageReference Include="AvaloniaEdit.TextMate" Version="11.0.6" />
-    <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.10" />
+    <!--Condition
+    below is needed to remove Avalonia.Diagnostics package from build output in Release
+    configuration.-->
+    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics"
+      Version="11.0.10" />
     <PackageReference Include="FluentAvaloniaUI" Version="2.0.5" />
 
     <PackageReference Include="MinVer" Version="5.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    
+
     <PackageReference Include="NLog" Version="5.2.8" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
 
     <None Update="nlog.config" CopyToOutputDirectory="Always" />
   </ItemGroup>
-</Project>
+</Project>