Improve performance by adding async

[LuchoBazz]

Tasks

• Add object-oriented structure + async to the output command (v1.0.2)
• Add object-oriented structure + async to the setup command (v1.0.3)
• Add object-oriented structure + async to the stress command (v1.0.4)
• Add object-oriented structure + async to the check command (v1.0.5)
• Add object-oriented structure + async to the cmp command (v1.0.6)

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Adding Async

• replace std::path::PathBuf to async_std::path::PathBuf
• Migrate to Async File Handler

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Add new dependencies

async-std = "..."
futures = "..."
tokio = { version = "...", features = ["full"] }

Issues

# Don't works, v1.0.3
qt stress -t main.cpp -g gen.cpp --tout 1000 --tc 2 --run-ac