Related to #22, we need a way to clearly see unresolved single backticks reference instead of having them _looks_ like either emphasis or codeblock. [nitpicky](https://www.sphinx-doc.org/en/master/usage/configuration.html#confval-nitpicky) might not be a direct path forward as it creates too many errors.