docs: add changelog for 5.1.0

Author: sis0k0

Diff for: CHANGELOG.md

@@ -1,3 +1,12 @@
+<a name="5.1.0"></a>
+# [5.1.0](https://github.com/NativeScript/nativescript-angular/compare/5.0.0...5.1.0) (2018-01-10)
+
+
+### Features
+
+* add support for Angular 5.1 ([#1134](https://github.com/NativeScript/nativescript-angular/issues/1134)) ([2e944a8](https://github.com/NativeScript/nativescript-angular/commit/2e944a8))
+
+
 <a name="5.0.0"></a>
 # [5.0.0](https://github.com/NativeScript/nativescript-angular/compare/5.0.0-rc.0...v5.0.0) (2017-12-20)