feat: enhance revision logic with fuzzy matching, dynamic material loading, and schema automation

- Improved RevisionComparator with fuzzy matching (RapidFuzz) and dynamic DB material loading
- Enhanced regex patterns for better size/material extraction
- Initialized Alembic for schema migrations and created baseline migration
- Added entrypoint.sh for automated migrations in Docker
- Fixed SyntaxError in fitting_classifier.py
- Updated test suite with new functionality tests

backend/app/config.py

@@ -147,6 +147,7 @@ class Settings(BaseSettings):
         env_file = ".env"
         env_file_encoding = "utf-8"
         case_sensitive = False
+        extra = "ignore"
         
     def __init__(self, **kwargs):
         super().__init__(**kwargs)