GitLab

__Major Revisions__

* Refine document structure for user tutorial.

__Minor Revisions__

* Add AMD part in installation.
* Change default config file to latest link.

 Add config and docs for development experience.

__Major Revision__
- Add settings and extensions config for VSCode.
- Add devcontainer config for Codespaces.
- Update document accordingly.

Add docs on:
* Docker image tag list
* Build image and run container instructions

Update SuperBench documents.