Update link for Lua repo (#58)

* Update link in README.md

* Update manual

Author: bstummer

README.md

@@ -143,5 +143,5 @@ You can learn more about how to configure this library to suit your custom needs
 - [Javascript](https://github.com/philihp/openskill.js)
 - [Elixir](https://github.com/philihp/openskill.ex)
 - [Kotlin](https://github.com/brezinajn/openskill.kt)
-- [Lua](https://github.com/Vaschex/openskill.lua)
+- [Lua](https://github.com/bstummer/openskill.lua)
 

docs/manual.rst

@@ -176,4 +176,4 @@ Implementations in other Languages
 .. _Javascript: https://github.com/philihp/openskill.js
 .. _Elixir: https://github.com/philihp/openskill.ex
 .. _Kotlin: https://github.com/brezinajn/openskill.kt
-.. _Lua: https://github.com/Vaschex/openskill.lua
+.. _Lua: https://github.com/bstummer/openskill.lua