Add an elixir implementation (#3137)

* Update Readme.md

* Update implementations.md

Author: Fudoshiki

Readme.md

@@ -36,6 +36,7 @@ CLI tool built by the same people as LibSass.
 - https://github.com/medialize/sass.js (JS)
 - https://github.com/bit3/jsass (Java)
 - https://github.com/scottdavis/sass.ex (Elixir)
+- https://github.com/Youimmi/sass_compiler (Elixir)
 
 This list does not say anything about the quality of either the listed or not listed [implementations](docs/implementations.md)!
 The authors of the listed projects above are just known to work regularly together with LibSass developers.

docs/implementations.md

@@ -8,6 +8,7 @@ There are several implementations of `libsass` for a variety of languages. Here
 
 ### Elixir
 * [sass.ex](https://github.com/scottdavis/sass.ex)
+* [sass_compiler](https://github.com/Youimmi/sass_compiler)
 
 ### Go
 * [go-libsass](https://github.com/wellington/go-libsass)