Update docs files for v0.8.0

NEWS

@@ -1,4 +1,20 @@
 
+Version 0.8.0
+-------------
+
+- Added support for modern Edge/WebView2 browser for release notes.
+- Added win_sparkle_set_update_dismissed_callback() and
+  win_sparkle_set_update_postponed_callback() callbacks.
+- Added partiaul support for <sparkle:criticalUpdate> tag.
+- Links in release notes now open in user's default browser as they should.
+- Added support for Visual Studio 2019 and 2022.
+- Added official NuGet package.
+- Added support for ARM64 architecture.
+- This version drops official support for Windows XP. It may still be possible
+  to target it with vs*_xp toolsets, but would probably require at least
+  disabling WebView2. Prebuilt binaries and NuGet package don't support XP.
+
+
 Version 0.7.0
 -------------
 

README.md

@@ -17,8 +17,10 @@ the [winsparkle.h header](https://github.com/vslavik/winsparkle/blob/master/incl
  Using prebuilt binaries
 -------------------------
 
-The easiest way to use WinSparkle is to download the prebuilt `WinSparkle.dll`
-binary.
+The easiest way to use WinSparkle is to either download the prebuilt `WinSparkle.dll`
+binary from releases or use the `WinSparkle` [NuGet package](https://www.nuget.org/packages/WinSparkle/).
+Prebuilt binaries are available for x86, x64 and arm64 platforms.
+
 
  Bindings
 ----------

nuget/WinSparkle.nuspec

@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
     <metadata>
         <id>WinSparkle</id>
-        <version>0.8-beta2</version>
+        <version>0.8.0</version>
         <title>WinSparkle</title>
         <authors>Vaclav Slavik</authors>
         <license type="expression">MIT</license>