Standardize linters for all repos

[upkarlidder]

Is your feature request related to a problem? Please describe.
Note from community member: Maybe it would also be interesting to define which linters do we want to use for the different file-types; for example:

Hadolint -> Docker
ESLint -> JavaScript
YAMLlint -> YAML

Describe the solution you'd like
Finalize standard set of linters for Pyrrha repos.

Describe alternatives you've considered
N/A

Additional context
N/A

[hs094]

Hello. I am interested to Contribute to the Project can you describe more about this issue?