Add swedish recomposition normalizer and link it to a feature

[ManyTheFish]

Pull Request

• Add a Swedish normalizer, avoiding the diacritic removal from the letter, and preserving the expected Swedish character ordering.
• Add a feature flag for it (not enabled by default)
• Trigger test in the CI

[meili-bors[bot]]

Build succeeded:

• Run Clippy
• Run Rustfmt
• tests