chore: add editorconfig file

.editorconfig

@@ -0,0 +1,18 @@
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+
+[{Makefile, *.sh}]
+indent_style = tab
+
+# Trailing spaces in markdown indicate word wrap
+[{*.markdown,*.md}]
+trim_trailing_spaces = false
+max_line_length = 80