fix: Preserve asterisk list in header and fix escaping (#179)

examples/main.tf

@@ -3,6 +3,15 @@
  *
  * Example of 'foo_bar' module in `foo_bar.tf`.
  *
+ * - list item 1
+ * - list item 2
+ *
+ * Even inline **formatting** in _here_ is possible.
+ * and some [link](https://domain.com/)
+ *
+ * * list item 3
+ * * list item 4
+ *
  * ```hcl
  * module "foo_bar" {
  *   source = "github.com/foo/bar"