Updated .editorconfig.

.editorconfig

@@ -1,10 +1,10 @@
 [*]
 indent_style    = tab
 indent_size     = 4
-end_of_line     = LF
+end_of_line     = lf
 max_line_length = 100
-
-insert_final_newline = true
-
-[{*.c, *.cpp, *.sc, *.sh, *.lua, *.m, *.mm, *.mk, makefile}]
+insert_final_newline     = true
 trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false