Missing examples for TON Jetton processing

[reveloper]

Is your feature request related to a problem? Please describe.

The article about TON Jetton processing lacks examples for different programming languages, making it difficult for developers to understand and implement the functionality.

Describe the solution you'd like

Add examples for TON Jetton processing using the following programming languages:

• ton-js(recommended)
• tonweb(secure)
• tonutils-go(GO)
• TonTools(Python)

Include the following examples:

• Retrieving Jetton data
• Retrieving Jetton wallet addresses for a given user
• Retrieving data for a specific Jetton wallet
• How to send Jetton transfers with comments and notifications

Additional context

Something useful could be found in TON Cookbook.