Howto: Add Bosnian translation

[Vukory]

What does this PR do?

Add resource(s) | Remove resource(s) | Add info | Improve repo

For resources

Description

Translated HOWTO.md to Bosnian.

Checklist:

• Read our contributing guidelines
• Search for duplicates.
• Include author(s) and platform where appropriate.
• Put lists in alphabetical order, correct spacing.
• Add needed indications (PDF, access notes, under construction)

Follow-up

• Check the status of GitHub Actions and resolve any reported warnings!

[eshellman]

I would separate the translation and the links to it into two separate PRs. The links generate the conflicts, and we can do a cleanup PR after things have settled a bit.