allow to escape `[` `]` characters in YAML files

[gdevillele]

Issue

When we want to display data[byteIndex]:

• data[byteIndex] in the YAML is rendered like this (because [] is for type links)

• data\[byteIndex\] in the YAML is rendered like this (because we have no espace mechanism)

[aduermael]

I think we should just update the parser to avoid modifying whatever is within backticks.