Testing add unbalanced examples

[MattPereira]

Updated the addLiquidityCustom and addLiquidityUnbalanced examples to use same pool alberto is targeting.

Examples run fine here on the SDK repo

pnpm example ./examples/addLiquidity/addLiquidityUnbalanced.ts
pnpm example ./examples/addLiquidity/addLiquidityCustom.ts

here's alberto's error logs for reference

{
    "cause": {
        "metaMessages": [
            "Error: PoolNotInitialized(address pool)",
            "                         (0xd71958aeD5E2e835A648Ff832a181F7BdaBbaF13)"
        ],
        "shortMessage": "The contract function \"queryAddLiquidityUnbalanced\" reverted.",
        "version": "2.21.22",
        "name": "ContractFunctionRevertedError",
        "data": {
            "abiItem": {
                "inputs": [
                    {
                        "internalType": "address",
                        "name": "pool",
                        "type": "address"
                    }
                ],
                "name": "PoolNotInitialized",
                "type": "error"
            },
            "args": [
                "0xd71958aeD5E2e835A648Ff832a181F7BdaBbaF13"
            ],
            "errorName": "PoolNotInitialized"
        }
    },
    "docsPath": "/docs/contract/simulateContract",
    "metaMessages": [
        "Error: PoolNotInitialized(address pool)",
        "                         (0xd71958aeD5E2e835A648Ff832a181F7BdaBbaF13)",
        " ",
        "Contract Call:",
        "  address:   0xB12FcB422aAe6720f882E22C340964a7723f2387\n  function:  queryAddLiquidityUnbalanced(address pool, uint256[] exactAmountsIn, bytes userData)\n  args:                                 (0xd71958aed5e2e835a648ff832a181f7bdabbaf13, [\"0\",\"1000000000000000000\"], 0x)"
    ],
    "shortMessage": "The contract function \"queryAddLiquidityUnbalanced\" reverted.",
    "version": "2.21.22",