chore: editorconfig (#1505)

.editorconfig

@@ -0,0 +1,19 @@
+# Editor configuration, see https://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{ts,js}]
+quote_type = single
+
+[*.{md,mdx}]
+max_line_length = off
+trim_trailing_whitespace = false
+
+[*.{yml,yaml}]
+quote_type = double