Merge pull request #38 from Albatross-Kite-Transport/news

add NEWS.md

Author: 1-Bart-1

NEWS.md

@@ -0,0 +1,6 @@
+## Initial Release
+This project is based on version 1.0 of the Python project [Vortex-Step-Method](https://github.com/ocayon/Vortex-Step-Method)
+
+## Noteworthy Differences
+- implemented in Julia, therefore about 20 times faster
+- an importer for `.obj` was added (see: #10)