[Feature]: Implement game loop

[ashutosh-7503]

So, what is it about?

• File: lib/homepage.dart
• Function: startGame
• Hint: Use a Timer to periodically update the bird's position and barriers. Apply physics equations to simulate gravity and jumping.

Code of Conduct

• I agree to follow this project's Code of Conduct

[sanghaibiraj]

@ashutosh-7503 can you assign this issue to me??

[sanghaibiraj]

@ashutosh-7503 please respond

[shaurya-8055]

Hi, I'd like to take this issue. It looks like it hasn't been solved yet, and I'm available to work on it. Please assign it to me.

[shaurya-8055]

?

[shaurya-8055]

completed