Update EditorConfig

Author: Arttse

.editorconfig

@@ -5,24 +5,12 @@ root = true
 [*]
 charset = utf-8
 end_of_line = lf
-indent_style = space
-insert_final_newline = false
-trim_trailing_whitespace = true
-
-# HTML
-[**.html]
-indent_size = 4
-
-# JavaScript
-[**.js]
 indent_size = 2
+indent_style = space
 insert_final_newline = true
+trim_trailing_whitespace = true
 
-# JSON and Yaml
-[{**.json,**.yml}]
-indent_size = 2
-
-# Markdown
-[**.md]
-indent_size = 2
-trim_trailing_whitespace = false
+# Markdown and text
+[**.{markdown,mdown,mkdn,mkd,md,txt}]
+trim_trailing_whitespace = false
+insert_final_newline = false