**Use case**
Some program left garbage in terminal.

**Describe the solution you'd like**
Subset of what `reset` command does.
static const std::unordered_map<TokenType, Replxx::Color> token_to_color =
        
             TokenType::Whitespace, Replxx::Color::DEFAULT },
             TokenType::Comment, Replxx::Color::GRAY },
             TokenType::BareWord, Replxx::Color::DEFAULT },
             TokenType::Number, Replxx::Color::GREEN },
             TokenType::StringLiteral, Replxx::Color::CYAN },
             TokenType::QuotedIdentifier, Replxx::Color::MAGENTA },
             TokenType::OpeningRoundBracket, Replxx::Color::BROWN },
             TokenType::ClosingRoundBracket, Replxx::Color::BROWN },
             TokenType::OpeningSquareBracket, Replxx::Color::BROWN },
             TokenType::ClosingSquareBracket, Replxx::Color::BROWN },
             TokenType::OpeningCurlyBrace, Replxx::Color::INTENSE },
             TokenType::ClosingCurlyBrace, Replxx::Color::INTENSE },
             TokenType::Comma, Replxx::Color::INTENSE },
             TokenType::Semicolon, Replxx::Color::INTENSE },
             TokenType::Dot, Replxx::Color::INTENSE },
             TokenType::Asterisk, Replxx::Color::INTENSE },
             TokenType::Plus, Replxx::Color::INTENSE },
             TokenType::Minus, Replxx::Color::INTENSE },
             TokenType::Slash, Replxx::Color::INTENSE },
             TokenType::Percent, Replxx::Color::INTENSE },
             TokenType::Arrow, Replxx::Color::INTENSE },
             TokenType::QuestionMark, Replxx::Color::INTENSE },
             TokenType::Colon, Replxx::Color::INTENSE },
             TokenType::Equals, Replxx::Color::INTENSE },
             TokenType::NotEquals, Replxx::Color::INTENSE },
             TokenType::Less, Replxx::Color::INTENSE },
             TokenType::Greater, Replxx::Color::INTENSE },
             TokenType::LessOrEquals, Replxx::Color::INTENSE },