Add package favicon (#34)

Author: Tyrrrz

Passwordless.sln

@@ -14,6 +14,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		Directory.Build.props = Directory.Build.props
 		README.md = README.md
 		LICENSE = LICENSE
+		favicon.png = favicon.png
 	EndProjectSection
 EndProject
 Global

README.md

@@ -1,4 +1,4 @@
-# Passwordless .NET SDK
+# <img src="favicon.png" width="24" height="24" alt="Icon" /> Passwordless .NET SDK
 
 The official [Bitwarden Passwordless.dev](https://passwordless.dev) .NET library, supporting .NET Standard 2.0+, .NET Core 2.0+, and .NET Framework 4.6.2+.
 

favicon.png

@@ -15,6 +15,7 @@
     <PackageReleaseNotes>https://github.com/passwordless/passwordless-dotnet/releases</PackageReleaseNotes>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
+    <PackageIcon>favicon.png</PackageIcon>
     <PackageReadmeFile>README.md</PackageReadmeFile>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
@@ -45,7 +46,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <None Include="../../README.md" Pack="true" PackagePath="/" />
+    <None Include="../../favicon.png" Pack="true" PackagePath="/" Visible="false" />
+    <None Include="../../README.md" Pack="true" PackagePath="/" Visible="false" />
   </ItemGroup>
 
   <ItemGroup>