- Add validateCSVStockLocations() method to check CSV columns against allowed locations
- Log error when invalid stock location columns are detected
- Tests for valid, invalid, and mixed stock location columns
- Tests for location name case sensitivity
- Tests for CSV parsing and detecting location columns
- Add error message language string for invalid locations
* Improve code style and PSR-12 compliance
- refactored code formatting to adhere to PSR-12 guidelines
- standardized coding conventions across the codebase
- added missing framework files and reverted markup changes
- reformatted arrays for enhanced readability
- updated language files for consistent styling and clarity
- minor miscellaneous improvements