Fix #211: Remove tool identity strings from deployed artifacts

- Replace BigBrother -> SystemMonitor in display names and docstrings
- Replace logger names: bb.* -> sensor.*
- Replace process names: bb-* -> sensor-*
- Replace home directory: ~/.bigbrother -> ~/.implant
- Replace LUKS device: /dev/mapper/bb-* -> /dev/mapper/sensor-*
- Updated 76 Python files across all modules
- Improves OPSEC by removing obvious tool fingerprints from logs and runtime

modules/base.py

@@ -1,11 +1,11 @@
 #!/usr/bin/env python3
-"""Abstract base class for all BigBrother modules."""
+"""Abstract base class for all SystemMonitor modules."""
 
 from abc import ABC, abstractmethod
 
 
 class BaseModule(ABC):
-    """Base class that all BigBrother modules must inherit from.
+    """Base class that all SystemMonitor modules must inherit from.
 
     Each module runs as a separate process managed by the Engine.
     """