feat: implemented collectible and powerup in all levels

[PresenceOP-Coder]

Description

This pull request introduces collectible power-ups to make gameplay more dynamic and rewarding.
Players can now interact with new collectibles added for each level, enhancing both difficulty and engagement.

Key updates include:

• Added Heart collectible that grants an extra life upon collection
• Added Gem collectible that provides temporary invincibility
• Implemented HUD indicators for active power-ups
• Designed smooth spawn and collection animations for visual appeal
• Integrated collectibles with existing game logic for consistent behavior across levels

Semver Changes

• Patch (bug fix, no new features)
• Minor (new features, no breaking changes)
• Major (breaking changes)

Issues

Closes #16

Checklist

• I have read the Contributing Guidelines.

[PresenceOP-Coder]

@Just-Here-TO-Code review fast assign next add labels

[PerHac13]

has been re evaluated