Request: add GPB Token List

[GALAXYPUBLICBLOCKCHAINS]

List Name:
GPB Token List

List URL:
https://raw.githubusercontent.com/GALAXYPUBLICBLOCKCHAINS/token-lists/main/src/gpb-tokenlist.json

Description:
Official GPB Token List for Arbitrum One (42161).
Includes GPB token metadata, logo, versioning, and timestamp.
Follows the Uniswap Token List schema.

Chain(s):
Arbitrum One (42161)

Purpose:
Enable GPB token discovery and routing across wallets, DEXs, and ecosystem tools.