Typeful writer API

[LVMVRQUXL]

Description

Based on #14, introduce a new writer API in the kotools.csv package for writing records in CSV files and deprecate the old one in the io.github.kotools.csv package.

Declarations in kotools.csv should use explicit types from Kotools Types for having a typeful design.

Dependencies

This issue needs the following ones to be done:

• CSV path extensions #47.

Checklist

• Implement and test a basic writer API.
• Improve the writer for accepting custom types as records.
• Deprecate the old writer.
• Refactor.
• Update Work in progress section in changelog.