Add Documentation for I18n Support in README

[Ary428]

PR: Update README for I18n Support in Table Tool for Editor.js

Summary

This PR aims to enhance the README of the Table Tool for Editor.js by providing comprehensive information about the newly added support for the I18n API. The updated README includes a detailed example demonstrating how to localize UI labels using the i18n dictionary under the tools section. Additionally, it incorporates a reference to more in-depth instructions on internationalization in Editor.js.

Key Additions

• Explanation of how the Table Tool supports the I18n API.
• Code snippet illustrating the utilization of the i18n dictionary for localizing UI labels.
• Link to further documentation on internationalization in Editor.js.

These additions will greatly benefit users who are unfamiliar with the tool, helping them understand its I18n capabilities and providing guidance on effectively leveraging them.

Related Issue

Linked issue: i18n Configuration for the tool #127

Type of Change

Documentation Update

Checklist

• Documentation has been updated accordingly.
• The related issue has been properly linked.
• This PR is ready for review.

Testing

A visual review of the updated README content was conducted to ensure correct markdown syntax and accurate content descriptions.