Update CHANGELOG for v1.0.6

***NO_CI***

Author: nfbot

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Change Log
 
+## [v1.0.5-preview-001](https://github.com/nanoframework/lib-nanoFramework.System.Net/tree/v1.0.5-preview-001) (2019-03-07)
+[Full Changelog](https://github.com/nanoframework/lib-nanoFramework.System.Net/compare/v1.0.3-preview-009...v1.0.5-preview-001)
+
 ## [v1.0.3-preview-009](https://github.com/nanoframework/lib-nanoFramework.System.Net/tree/v1.0.3-preview-009) (2019-03-06)
 [Full Changelog](https://github.com/nanoframework/lib-nanoFramework.System.Net/compare/v1.0.4...v1.0.3-preview-009)