CONTRACTS: Betting Contract

[tosoham]

Implement /contracts/src/Betting.cairo:

• Mapping: bets: Dict<(roomId, agentId), Uint256>

• place_bet(roomId, agentId, amount) → records bet, locks tokens

• withdraw_winnings(roomId, agentId) → transfers to winner

Deliverable: On-chain betting contract.

[Akshola00]

hi, can i work on this
i have experience writing cairo contracts and I'm confident I can handle this

[tosoham]

@Akshola00 How much progress? Where is the PR?

[tosoham]

Closed by #23