LMDT 0.1.0

• Initial release of the LMDT package for CRAN submission.
• Implements the Local Manifold Dispersion Test for regression heteroskedasticity.
• Supports formula and matrix interfaces.
• Includes design-adapted Wild Bootstrap, permutation testing, and asymptotic normal calibration.
• Integrates Gavish–Donoho adaptive PCA and supervised metric learning for high dimensions.