### Description Staged: https://faxu.github.io/onnxruntime/docs/ Changes: - ~~New dedicated section on sidebar for [Mobile](https://faxu.github.io/onnxruntime/docs/mobile/) and [Web](https://faxu.github.io/onnxruntime/docs/web/)~~ New dedicated pages for [Mobile](https://faxu.github.io/onnxruntime/docs/get-started/with-mobile.html) and [Web](https://faxu.github.io/onnxruntime/docs/get-started/with-web.html) under Getting Started section - [Transformers optimizer](https://faxu.github.io/onnxruntime/docs/performance/transformers-optimization.html) documentation - Move contrib op section from "Custom Operators" page to ["Contrib operators" page](https://faxu.github.io/onnxruntime/docs/reference/operators/ContribOperators.html) - Update [releases page](https://faxu.github.io/onnxruntime/docs/reference/releases-servicing.html)
