Merge pull request #26 from codacy/add-markdown

Add markdown

Author: rtfpessoa

src/main/scala/com/codacy/plugins/api/languages/Language.scala

@@ -121,7 +121,8 @@ object Languages {
                                Kotlin,
                                Powershell,
                                Solidity,
-                               OCaml)
+                               OCaml,
+                               Markdown)
 
   // Support startdate: always
   case object Javascript extends Language(extensions = Set(".js", ".jsx", ".jsm", ".vue"))
@@ -227,6 +228,10 @@ object Languages {
   case object Powershell
       extends Language(extensions = Set(".ps1", ".psc1", ".psd1", ".psm1", ".ps1xml", ".pssc", ".cdxml", ".clixml"))
 
+  // Support startdate: September 2018
+  case object Markdown
+      extends Language(extensions = Set("md", "markdown", "mdown", "mkdn", "mkd", "mdwn", "mkdown", "ron"))
+
   // Soon
 
   case object Clojure extends Language(extensions = Set(".clj", ".cljs", ".cljc", ".edn"))