Feature: Timeout and Inactivity Cancellation for Ongoing Games

[Nanle-code]

The following are the updates made to this project:

use-stacks.ts:

1. Added cancelGameTimeout to imports
2. Added handleCancelGameTimeout function
3. Exported handleCancelGameTimeout in the return statement

play-game.tsx:

1. Added imports: canCancelGame, CancelCheckResponse, blocksToTime
2. Added handleCancelGameTimeout from useStacks hook
3. Added state for cancelCheck
4. Added useEffect to poll cancel status every 30 seconds
5. Added logic to determine if user canCancel
6. Added timeout countdown display in game info
7. Added warning message and cancel button when timeout is reached

contract:

1. Added Timeout not reached error

2. Added not a player error

3. Added Game already over error

4. A constant for block timeout as u86400 but u10 for quick demo

5. Added a function to cancel game due to timeout

6. Check if a game can be cancelled due to timeout.

Features i really hope to add subsequently:

1. I hope to add two individuals in a team making it a 4 people Game in total.
2. A straight 3 win makes the address a king. He has a privilege to enter another game and help a friend who permits him with a move.