Add .editorconfig

Author: thinkyhead

.editorconfig

@@ -0,0 +1,12 @@
+# editorconfig.org
+root = true
+
+[{*.h,*.md}]
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = lf
+indent_style = space
+indent_size = 2
+
+#[{*.h}]