feat/ add poolId with unit test.

[vic-en]

Before submitting this PR, please make sure:

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

A description of the changes proposed in the pull request:
Adds PoolId as described in #302
This pr will me merged into Balancer pr to further confirm it works.

Tests performed by the developer:

• Unit test
• Curl test to ensure exisiting implementation isn't broken

Tips for QA testing:

• Perform curl test to ensure existing implemetion isn't broken.

[nikspz]

Test performed:

• Cloned and installed latest development and gwPR306
• connected successfully uniswap_ethereum_arbitrum
• Created amm_arb using uniswap_ethereum_arbitrum successfully
• started amm_arb, Review order execution is okay
• Created amm_v3_lp using uniswap_ethereum_arbitrum
• started amm_v3_lp, review position created
• Curl:
  • connectors: ok
  • /chain/status: ok
  • /chain/config: ok
  • wallet/add: ok
  • wallet/remove: ok
  • amm/price: ok
  • amm/trade: ok
  • amm/liquidity/add: ok
  • amm/liquidity/price: ok
  • amm/liquidity/position: ok
  • amm/liquidity/remove: ok

[notion-workspace]

Add poolID to Balancer endpoints

[notion-workspace]

feat/ add poolId with unit test. #306