Added the .editorconfig file.

Signed-off-by: Exadra37 <exadra37@gmail.com>

Author: Exadra37

.editorconfig

@@ -0,0 +1,12 @@
+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{md, markdown}]
+trim_trailing_whitespace = false