Feature/mcp wallet server with bnb agent

[DogukanGun]

Description

This PR introduces a BNB Chain Wallet MCP Server that enables AI agents to interact with BNB Smart Chain wallets. The implementation provides wallet management capabilities, including wallet creation, balance checking, and transaction operations through an MCP interface.

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Unit Tests:
cd wallet-mcp/functions
go test ./tests/... -v

Integration Testing:

• Started MongoDB on localhost:27017
• Set BNB_RPC environment variable to BSC testnet endpoint
• Ran MCP server: cd wallet-mcp && go run main.go
• Use the MCP interceptor to connect the server
• Verified wallet creation, balance checking, and BNB transfers

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

[Salarmahmo]

Ashilsali62 QqqqqqqqqqQ