Add real world usage examples for common workflows

The API documentation is helpful, and adding more real-world usage examples could make it even more accessible
For
1 Transaction flows
2 Wallet interactions
3 Integration scenarios
This would help developers better understand how to use the skills in practice

Start in the API documentation and review its existing examples and structure. Add practical examples covering transaction flows, wallet interactions, and integration scenarios, with each workflow understandable to developers using the skills.

Written by the indexing model from the issue text.