Support for YAML extension for file filtering

[azizthanawala]

Is your feature request related to a problem? Please describe.
I would like to understand if there .yaml support present in opengrok.

Describe the solution you'd like
.yaml to be available as a filtering option when selecting the "type" of file the search should be limited to.

I'll be happy to contribute if the support is not available, provided a little bit of guidance on getting started.
I know the ticket is bit stingy on the details but it's rather a simple query.

Thank you,
Aziz.

[azizthanawala]

Hello,
#4384 -> I see a similar issue for OCaml and COBOL files. Are the links attached to this issue for Typescript for instance, still relevant? Can those commits be used a reference for yaml files?

[ginoaugustine]

Yaml support is already implemented through #4353, please try out with latest version of opengrok