Add package icon and description

Author: MaggieKimani1

src/Microsoft.OpenApi.Hidi/Microsoft.OpenApi.Hidi.csproj

@@ -5,6 +5,7 @@
     <TargetFramework>netcoreapp3.1</TargetFramework>
     <LangVersion>9.0</LangVersion>
     <PackAsTool>true</PackAsTool>
+    <PackageIconUrl>http://go.microsoft.com/fwlink/?LinkID=288890</PackageIconUrl>
     <PackageProjectUrl>https://github.com/Microsoft/OpenAPI.NET</PackageProjectUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
@@ -15,6 +16,7 @@
     <ToolCommandName>hidi</ToolCommandName>
     <PackageOutputPath>./../../artifacts</PackageOutputPath>
     <Version>0.5.0-preview4</Version>
+    <Description>OpenAPI.NET CLI tool for slicing OpenAPI documents</Description>
     <Copyright>© Microsoft Corporation. All rights reserved.</Copyright>
     <PackageTags>OpenAPI .NET</PackageTags>
     <RepositoryUrl>https://github.com/Microsoft/OpenAPI.NET</RepositoryUrl>