Retargetted to netstandard2.0

Author: hughesjs

src/UniversalDiveDataFormat.Tests/UniversalDiveDataFormat.Tests.csproj

@@ -8,6 +8,7 @@
         <IsPackable>false</IsPackable>
         <IsTestProject>true</IsTestProject>
         <LangVersion>latest</LangVersion>
+        <OutputType>Library</OutputType>
     </PropertyGroup>
 
     <ItemGroup>

src/UniversalDiveDataFormat/UniversalDiveDataFormat.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <LangVersion>latest</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
@@ -26,4 +26,11 @@
     </Reference>
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="PolySharp" Version="1.14.1">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
 </Project>