Sync history conversation of the Chat

[momokang]

PR Details

Sync history conversation of the Chat

Description

Able to sync historical message of the Chat

Related Issue

closes #2937

Motivation and Context

After historical messages are synced, you can fetch older messages content, images, attachment and audio.

How Has This Been Tested

User can type !syncHistory to sync the historical message, alternatively, can change the chatId in await client.syncHistory(chatId); to test out

Types of changes

• [ ] Dependency change
• [ ] Bug fix (non-breaking change which fixes an issue)
• [X] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• [X] My code follows the code style of this project.
• [X] I have updated the documentation accordingly (index.d.ts).

[momokang]

@alechkos Thanks for the review, it's amended accordingly