feat(red): create module (#2599)

* create module

* fmt

* fix clippy

* fmt even though i already did it

* add all extensions

* tests for .reds

* change from circle to triangle

* remove hi.red

* fix test name

* update variables

* fix comment

* Update docs/config/README.md

Co-authored-by: Dario Vladović <d.vladimyr@gmail.com>

* Update docs/config/README.md

Co-authored-by: Dario Vladović <d.vladimyr@gmail.com>

* apply patchs

Co-authored-by: Dario Vladović <d.vladimyr@gmail.com>

src/configs/mod.rs

@@ -46,6 +46,7 @@ pub mod perl;
 pub mod php;
 pub mod purescript;
 pub mod python;
+pub mod red;
 pub mod ruby;
 pub mod rust;
 pub mod scala;
@@ -115,6 +116,7 @@ pub struct FullConfig<'a> {
     php: php::PhpConfig<'a>,
     purescript: purescript::PureScriptConfig<'a>,
     python: python::PythonConfig<'a>,
+    red: red::RedConfig<'a>,
     ruby: ruby::RubyConfig<'a>,
     rust: rust::RustConfig<'a>,
     scala: scala::ScalaConfig<'a>,