update tooling

.editorconfig

@@ -0,0 +1,21 @@
+# EditorConfig is awesome: https://EditorConfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_size = 2
+indent_style = tab
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{ls,yml,yaml}]
+indent_style = space
+
+[*.{cjs,js,mjs,ts}]
+block_comment_start = /*
+block_comment = *
+block_comment_end = */
+
+[*.{markdown,md}]
+indent_style = space
+trim_trailing_whitespace = false