feat: Add database setup guide and local configuration files

- Added DATABASE_SETUP.md with comprehensive guide for PostgreSQL and Redis installation on Windows
- Created .claude/settings.local.json with permission settings for pytest and database fix scripts
- Updated .gitignore to exclude .env.backup file
- Included database connection test utilities in lyra/database_setup.py
- Added environment variable configuration examples for local development

lyra/training/__init__.py

@@ -0,0 +1,14 @@
+"""
+Lyra Training Module
+
+Implements advanced training strategies including adaptive learning,
+memory consolidation, and human-like learning patterns.
+"""
+
+from .pipeline import LyraTrainingPipeline, ConversationDataset, create_training_pipeline
+
+__all__ = [
+    "LyraTrainingPipeline",
+    "ConversationDataset",
+    "create_training_pipeline"
+]