build: update .editorconfig for .md files

update *.md files not to insert blank lines at the end

Author: rshchpkn

.editorconfig

@@ -1,13 +1,15 @@
-# editorconfig.org
+# http://editorconfig.org
+
 root = true
 
 [*]
+charset = utf-8
 indent_style = space
 indent_size = 2
 end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
 insert_final_newline = true
+trim_trailing_whitespace = true
 
 [*.md]
+insert_final_newline = false
 trim_trailing_whitespace = false