Added Elena

Fixes: #535
Co-Authored-By: Alexander von Recum <avrecum@users.noreply.github.com>

README.md

@@ -213,6 +213,7 @@ Meet [FizzBuzz](https://github.com/zenware/FizzBuzz), the evolution of [hello-wo
 * [Echolisp](e/echolisp.echolisp)
 * [Egl](e/egl.egl)
 * [Eiffel](e/Eiffel.eiff)
+* [Elena](e/elena.elena)
 * [Elixir](e/elixir.ex)
 * [Elixir](e/elixir.exs)
 * [Elm](e/elm.elm)

e/elena.elena

@@ -0,0 +1,4 @@
+public program
+[
+    console writeLine("Hello World").
+]