TinyTorch v0.1.5

This release includes Windows support, bug fixes, and documentation improvements.

Windows Support: Full Windows compatibility with Git Bash
- Added PYTHONUTF8 and PYTHONIOENCODING for proper Unicode/emoji handling
- Windows OS matrix support in CI for progressive testing

Activations Module: Fixed Softmax forward pass implementation by @minhdang26403 in #1141
Activations Module: Removed unnecessary Sigmoid clipping by @minhdang26403 in #1140
Activations Module: Fixed typo and answer render error by @minhdang26403 in #1139
Convolutions Module: Fixed computation example (Position 1,1: 8→7) - reported by @ngbolin in #1144
Convolutions Module: Fixed pooling example element lists and averages
Tensor Module: Fixed matrix multiplication docstring examples

cs249r_book