Implement datatype conversion for all types in arrow.rs

[luoyuxia]

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• I searched in the issues and found nothing similar.

Description

as title, finish todo in

pub fn to_arrow_type(fluss_type: &DataType) -> ArrowDataType {
    match fluss_type {
        DataType::Boolean(_) => ArrowDataType::Boolean,
        DataType::TinyInt(_) => ArrowDataType::Int8,
        DataType::SmallInt(_) => ArrowDataType::Int16,
        DataType::BigInt(_) => ArrowDataType::Int64,
        DataType::Int(_) => ArrowDataType::Int32,
        DataType::Float(_) => ArrowDataType::Float32,
        DataType::Double(_) => ArrowDataType::Float64,
        DataType::Char(_) => ArrowDataType::Utf8,
        DataType::String(_) => ArrowDataType::Utf8,
        DataType::Decimal(_) => todo!(),
        DataType::Date(_) => ArrowDataType::Date32,
        DataType::Time(_) => todo!(),
        DataType::Timestamp(_) => todo!(),
        DataType::TimestampLTz(_) => todo!(),
        DataType::Bytes(_) => todo!(),
        DataType::Binary(_) => todo!(),
        DataType::Array(_data_type) => todo!(),
        DataType::Map(_data_type) => todo!(),
        DataType::Row(_data_fields) => todo!(),
    }
}

Willingness to contribute

• I'm willing to submit a PR!

[beryllw]

Interested in this. Could you please assign this to me?