feat: Add type hints to D435Provider attributes

[goblin0xcrypto]

📝 Description

Add type annotations to D435Provider class attributes to improve code readability and type safety.

🔧 Changes

• Add type hint list[dict[str, float]] to self.obstacle
• Add type hint bool to self.running

✨ Benefits

• Improved IDE autocomplete and type checking
• Better code documentation
• Enhanced maintainability
• Follows modern Python 3.10+ type hinting standards

📍 Files Changed

• src/providers/d435_provider.py

📸 Code Snippet

def __init__(self):
    self.obstacle: list[dict[str, float]] = []
    self.running: bool = False