added a dependency in Microsoft.Extensions.DependencyInjection.Abstractions and Microsoft.Extensions.Http to add an extension method to make it easy to add DiscordRestClients without risking socket exhaustation.

src/Discord.Net.Rest/Discord.Net.Rest.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <Import Project="../../Discord.Net.targets" />
-  <Import Project="../../StyleAnalyzer.targets"/>
+  <Import Project="../../StyleAnalyzer.targets" />
   <PropertyGroup>
     <AssemblyName>Discord.Net.Rest</AssemblyName>
     <RootNamespace>Discord.Rest</RootNamespace>
@@ -8,6 +8,10 @@
     <TargetFrameworks Condition=" '$(OS)' == 'Windows_NT' ">net461;netstandard2.0;netstandard2.1</TargetFrameworks>
     <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netstandard2.0;netstandard2.1</TargetFrameworks>
   </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="5.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="5.0.0" />
+  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Discord.Net.Core\Discord.Net.Core.csproj" />
   </ItemGroup>