avoid changing NuGet package name

- was too aggressive with the refactoring in removing the VSLee prefix
- neither NuGet nor [GH Packages](https://github.com/vslee/IEXSharp/packages) understand that prefix changes are a new version of the same library
- thus, will keep the prefix for the package to avoid confusion

IEXSharp/IEXSharp.csproj

@@ -18,8 +18,8 @@
 		<PackageTags>IEX Cloud Stock API Rest SSE dotnet finance-api market-data</PackageTags>
 		<PackageReleaseNotes>https://github.com/vslee/IEXSharp/releases</PackageReleaseNotes>
 		<Configurations>Debug;Release;PreRelease</Configurations>
-		<PackageId>IEXSharp</PackageId>
-		<Product>IEXSharp</Product>
+		<PackageId>VSLee.IEXSharp</PackageId>
+		<Product>VSLee.IEXSharp</Product>
 		<PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
 		<Copyright>2019 Victor Lee</Copyright>
 	</PropertyGroup>

README.md

@@ -9,7 +9,7 @@ IEX Cloud API for C# and other .net languages. Supports SSE streaming
 ## Usage
 ![](https://github.com/vslee/iexsharp/workflows/prerelease%20NuGet/badge.svg) Prereleases are on [GH Packages](https://github.com/vslee/IEXSharp/packages). A new prerelease is built automatically after every commit. 
 
-[![NuGet Badge](https://buildstats.info/nuget/IEXSharp)](https://www.nuget.org/packages/IEXSharp/) Releases are on [NuGet](https://www.nuget.org/packages/IEXSharp/)
+[![NuGet Badge](https://buildstats.info/nuget/VSLee.IEXSharp)](https://www.nuget.org/packages/VSLee.IEXSharp/) Releases are on [NuGet](https://www.nuget.org/packages/VSLee.IEXSharp/)
 
 ### IEX Cloud
 ```c#