Increment version number and add prerelease feed to README. (#39)

* Increment version number and add prerelease feed to README.

* Addressing feedback.

* Applying same changes we did to the info about alpha-feed on iqsharp

NuGet.Config

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) Microsoft Corporation. All rights reserved.
+     Licensed under the MIT License. -->
+
+<!--
+    This configuration tells the .NET Core SDK to look at the
+    Quantum Development Kit prerelease feed in addition to any other currently
+    configured NuGet feeds.
+    This allows us to use prerelease packages from other parts of the Quantum
+    Development Kit in between releases.
+
+    See https://docs.microsoft.com/en-us/nuget/consume-packages/configuring-nuget-behavior#how-settings-are-applied
+    for more information about how NuGet and the .NET Core SDK find package
+    sources from NuGet.Config files.
+-->
+<configuration>
+  <packageSources>
+    <add key="qdk-alpha" value="https://pkgs.dev.azure.com/ms-quantum-public/Microsoft Quantum (public)/_packaging/alpha/nuget/v3/index.json" protocolVersion="3" />
+  </packageSources>
+</configuration>

README.md

@@ -28,6 +28,9 @@ You may also visit our [Quantum](https://github.com/microsoft/quantum) repositor
 [![Build Status](https://dev.azure.com/ms-quantum-public/Microsoft%20Quantum%20(public)/_apis/build/status/microsoft.qsharp-runtime?branchName=master)](https://dev.azure.com/ms-quantum-public/Microsoft%20Quantum%20(public)/_build/latest?definitionId=15&branchName=master)
 
 
+Note that when building from source, this repository is configured so that .NET Core will automatically look at the [Quantum Development Kit prerelease feed](https://dev.azure.com/ms-quantum-public/Microsoft%20Quantum%20(public)/_packaging?_a=feed&feed=alpha) in addition to any other feeds you may have configured.
+
+
 ### Windows ###
 
 To build on Windows:

build/ci.yml

@@ -4,7 +4,7 @@ trigger:
 
 variables:
   Build.Major: 0
-  Build.Minor: 0
+  Build.Minor: 9
   Drops.Dir: $(Build.ArtifactStagingDirectory)/drops
   Drop.Native: $(System.DefaultWorkingDirectory)/xplat