Before submitting this PR, please make sure:

• Your code builds clean without any errors or warnings
• You are using an approved title ("feat/", "fix/", "docs/", "refactor/")

A description of the changes proposed in the pull request:

• Implementing all necessary methods for stonfi connector and ton chain to work.
• This PR works together with this PR for hb-client Feat/StonFi hummingbot#7389.

Tests performed by the developer:

• Connected to TON Wallet
• Tested and validated all TON methods, for example, balances, poll, getTokens
• Tested and validated all stonfi methods, for example, trade, price, estimatedGas

Tips for QA testing: