feat: Add AI trading assistant module

[Maiga-AI]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context.

AI-powered trading assistant for BNB Chain ecosystem with real USDT→BNB swaps via PancakeSwap, technical analysis, and natural language interface

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce.

As shown in README.md

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[ghost]

Congrats! You are the bounty winner. Please share your BSC address for the reward. thanks! https://x.com/BNBChainDevs/status/1950753301496254648

[Zooooolooo12008]

Ok

[Zooooolooo12008]

Jnm,

[indragunawan98]

Fixes #242 Fixes #218