chore: add editorconfig for more consistency

.editorconfig

@@ -0,0 +1,10 @@
+root = true
+
+[*]
+end_of_line = crlf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.c,*.cc,*.cpp,*.hpp,*.h]
+indent_style = space
+indent_size = 4