Merge pull request NuGet#1297 from NuGet/master

Update TOC.md

Author: anangaur

docs/TOC.md

@@ -246,6 +246,7 @@
 ## [Deleting packages](policies/deleting-packages.md)
 # Release notes
 ## [Known Issues](release-notes/known-issues.md)
+## [NuGet 5.0 preview](release-notes/NuGet-5.0-preview.md)
 ## [NuGet 4.9 RTM](release-notes/NuGet-4.9-RTM.md)
 ## [NuGet 4.8 RTM](release-notes/NuGet-4.8-RTM.md)
 ## [NuGet 4.7 RTM](release-notes/NuGet-4.7-RTM.md)
@@ -304,4 +305,4 @@
 ## [NuGet 1.3](release-notes/NuGet-1.3.md)
 ## [NuGet 1.2](release-notes/NuGet-1.2.md)
 ## [NuGet 1.1](release-notes/NuGet-1.1.md)
-# [FAQs](faqs/nuget-faq.md)
+# [FAQs](faqs/nuget-faq.md)