Create Player & Falling Block Classes

[pyang4s]

Description:
Create Java model classes for the game objects: the player (blue square) and falling block (red square).

Acceptance Criteria:

• Create Player.java (fields: x, y, size)
• Create FallingBlock.java (fields: x, y, size, speed)
• Add basic constructors and getters/setters
• Commit and push

Estimated Effort: 1 hour