[examples] Add a multi-agent script example

[gregnazario]

Description

This shows swapping coins and an object in one transaction.

Checks balances and all

Test Plan

 pnpm multi_agent_transfer             

> [email protected] multi_agent_transfer /opt/git/typescript-sdk/examples/typescript
> ts-node multi_agent_transfer.ts

This example will create two accounts (Alice and Bob), fund them, create an object, and transfer the object between them using move scripts and a multi-agent transaction.
=== Addresses ===

Alice's address is: 0x267d0a61dbc8c95f5941c4df71b5b01be2badc33d29b19bf977455b9c45167e5
Bob's address is: 0x804744a3d9ae3382fdc91b81ba1d426ce824da0ca6f6a2f2db5848f15e5ba9e5

=== Funding accounts ===

Alice's fund transaction:  100d8fc56d0bf973df44b0c73acc8b23de3a6b87367dd6524ffa832e3915666b
Bob's fund transaction:  5e325168dbb3bc14dcc4cf4b819fa369c2691ff596da7980e018f2a8f0a8d1fb

=== Balances ===

Alice's balance is: 100000000
Bob's balance is: 100000000
Alice: 100000000
Bob: 100000000

=== Create an object owned by Alice ===

Created object 0x4464eda7a303f942e87821cf477562d56840b94b0ace4f52b8c3d1f3b8ab7eab with transaction: 0xde495ba81433ef2d60e4a1d4f11f5464fc63cb625451afd96509427f11244754

=== Transfer object ownership to Bob ===

Transferred object in txn:  0x407711b522bb20c7aa2871fb19a272ace886ac492bc9945860f31942af951b4c

=== New Balances ===

Alice's balance is: 99948810
Bob's balance is: 99999990

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