Migrate docs from Sphinx to MkDocs (#18145)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

docs/features/quantization/README.md

@@ -0,0 +1,22 @@
+---
+title: Quantization
+---
+[](){ #quantization-index }
+
+Quantization trades off model precision for smaller memory footprint, allowing large models to be run on a wider range of devices.
+
+Contents:
+
+- [Supported_Hardware](supported_hardware.md)
+- [Auto_Awq](auto_awq.md)
+- [Bnb](bnb.md)
+- [Bitblas](bitblas.md)
+- [Gguf](gguf.md)
+- [Gptqmodel](gptqmodel.md)
+- [Int4](int4.md)
+- [Int8](int8.md)
+- [Fp8](fp8.md)
+- [Modelopt](modelopt.md)
+- [Quark](quark.md)
+- [Quantized_Kvcache](quantized_kvcache.md)
+- [Torchao](torchao.md)