### Description
* Support flag 'optimizedModelFilePath' in session options.
In Node.js, the model will be saved into filesystem just like its
behaviour on native platforms.
In browser, the new model is not saved to filesystem. the file path is
ignored. Instead, a new pop-up window will be launched in browser and
user can 'save' the file as onnx model.
* Add corresponding commandline args for the following session option
flags:
- optimizedModelFilePath
- graphOptimizationLevel
using ensureSymlinkSync might have issues with permissions when using 'dir' - changed to 'junction' to avoid this.
If the folder generation fails it will cause the test to fails as well.
* consume onnx test data from github
* ensure tests
* update script and allow opset specification
* fix python format
* fix python format
* consume new filter format
* fix linting error
* Support opset-13 for squeeze, unsqueeze, maxpool, pad, cast, clip
* merge master and update a operators.md
* resolve comment. revise pool and cast kernel implementation.
* skip fusion when clip min and max is not in initializer
* Integrate BrowserStack with ONNX Runtime Web CI pipeline
* Change to Linux command for BrowserStack CI
* Set preferTriggeringPipeline as true
* Fix a commit fetching script
* Remove wasm binary download from the latest build
* Use release build of WebAssembly
* Disable check-out of commit for testing
* Use commit of WebAssembly build CI pipeline
* Need to issue two PRs to prevent build failure
* support session options and run options. use onnxruntime c api.
* fix lint errors
* add an error code on throwing an exception
* resolve comments. change remaining C++ APIs to C API
