Update package manifest

Author: DoogeJ

Primitives2D.nuspec

@@ -14,7 +14,7 @@
     <releaseNotes>First release of a NuGet package.</releaseNotes>
     <copyright>Copyright 2012-2020</copyright>
     <tags>MonoGame XNA Drawing 2D SpriteBatch Primitives</tags>
-    <repository type="git" url="https://github.com/DoogeJ/MonoGame.Primitives2D.git" branch="master" />
+    <repository type="git" url="https://github.com/DoogeJ/MonoGame.Primitives2D.git" branch="master" commit="36f631abb32f476c3947a6ee4ff111e9f3e5206d" />
     <frameworkAssemblies>
       <frameworkAssembly assemblyName="System"  />
       <frameworkAssembly assemblyName="System.Collections.Generic"  />

README.md

@@ -2,16 +2,17 @@
 The 2D XNA Primitives project ported to the modern world.
 
 ## Changelog
-### 2020-02-19
+### 2020-02-19 (1.1.0)
 General clean-up and preparations to create a NuGet package:
  * Clean up license and readme
  * Remove sample project
  * Update MonoGame to version 3.7.1.189
  * Update the project files to Visual Studio 2019
  * Add MonoGame icon
  * Update Assembly information in preparation for NuGet package creation
+ * Create NuGet package manifest
 
-### 2017-11-27
+### 2017-11-27 (1.0.0)
 Differences with the original [repository](https://bitbucket.org/C3/2d-xna-primitives/wiki/Home) (last updated 2012):
  * Updated the project files to Visual Studio 2017
  * Updated to .NET Framework 4.5