editorconfig: add initial config file

Author: the-j0k3r

.editorconfig

@@ -0,0 +1,21 @@
+# https://github.com/editorconfig/editorconfig/wiki/EditorConfig-Properties
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.css]
+block_comment_start = /*
+block_comment = *
+block_comment_end = */
+
+[*.svg]
+insert_final_newline = false
+
+[*.md]
+trim_trailing_whitespace = false