Participating in a Prediction Market

[git-union[bot]]

Description

As a logged-in user, I want to participate in a prediction market by placing bets or selling existing bets.

Acceptance criteria

• [ ] The prediction market details include the event description, current odds, and available betting options.
• [ ] Users can enter the amount they want to bet or sell.
• [ ] The platform prevents users from betting more than their account balance.
• [ ] Upon placing a successful bet or selling an existing bet, the user's account balance is updated.
• [ ] The prediction market details reflect the new odds and bet amounts.