- Introduced a new command-line argument `--reload` to allow loading data from a specified JSON file.
- Updated `parse_arguments` to include the `--reload` flag.
- Modified `main` function to truncate the feature layer and load data from the JSON file when the flag is used.
- Enhanced documentation to reflect the new functionality and usage examples.
- Added documentation for the new `--test` command-line argument.
- Updated the "Script Usage" section to reflect the new flag.
- Enhanced the "Functionality" section to mention the test mode feature.
- Included examples of how to use the `--test` flag in the "Usage Examples" section.
