refactor: simplify server startup script and move provider/config checks to separate files
docs: update documentation to reflect encryption changes and default UID/GID values
- Changed default behavior to disable filesystem encryption for improved performance.
- Updated environment variable handling for DISABLE_FILESYSTEM_ENCRYPTION and ENCRYPTION_KEY across multiple configuration files.
- Added new scripts and configuration files for managing application settings and providers.
- Adjusted Dockerfile and server start scripts to reflect changes in UID/GID handling and file management.
- Enhanced documentation to clarify encryption options and their implications.
