Add 5.0.0 blog post

Author: dustinsoftware

site/jekyll/_posts/2019-07-16-5.0.0-release.md

@@ -0,0 +1,20 @@
+---
+title: 'ReactJS.NET 5.0.0'
+layout: post
+author: Dustin Masters
+---
+
+We're pleased to announce the release of ReactJS.NET 5.0.0. This release brings a few new features as well as a bunch of minor improvements:
+
+- Typescript compilation of .tsx components, which also updates to Babel 7 ([#763](https://github.com/reactjs/React.NET/pull/763))
+- Output caching improvements - ([#858](https://github.com/reactjs/React.NET/pull/858))
+- JSON.NET v12 support - ([#779](https://github.com/reactjs/React.NET/pull/779))
+- .NET Core 3 preview support - ([#791](https://github.com/reactjs/React.NET/pull/791))
+- Source link and symbol server support - ([#830](https://github.com/reactjs/React.NET/pull/830)), [ebb22ee](https://github.com/reactjs/React.NET/commit/ebb22ee59d9b2b5824adbcc46b82c92b06997949)
+- React and ReactDOM updated to 16.8.6
+
+Thanks to the following developers for contributing to this release: Daniel15, dustinsoftware, gunnim, Taritsyn, vanillajonathan
+
+Cheers!
+
+- [@dustinsoftware](https://twitter.com/dustinsoftware) and [@Daniel15](https://twitter.com/daniel15)