PerilousBooklet

The `.v` file extension is also for the V programming language files. There may be compatibility issues.

I forgot to modify the regular expressions. I'll fix it as soon as I can.

Sure.

It's going to take me a while before I can fix the regex, because I need to learn how those settings work first and I still have exams, but if...

I'm closing this PR, because I recently found out that `texlab` already includes an integrated linter.

From my understanding of [this](https://github.com/rrrene/credo?tab=readme-ov-file#installation-and-usage), `credo` is dependent on single projects, so to enable support it would be necessary to make a custom module for the project template manager plugin...

And then add support to `lintplus`.

Update: I made a PR to [lite-xl-lsp](https://github.com/lite-xl/lite-xl-lsp) to add support for elixir intellisense. To enable elixir diagnostics, you have to use [credo](https://github.com/rrrene/credo). Add this `{:credo, "~> 1.7", only: [:dev, :test],...

~~I'm waiting for [this](https://github.com/lite-xl/lite-xl/issues/1746) to be solved to request a review.~~

I was a bit rough with the commits. I forgot to git pull the previous conflict-solve.