GitLab

**Description**
Revise results contributing rule.

- Change the results uploading path to [superbench-results](https://github.com/microsoft/superbench-results

) repo.
- Add description of how to get system info by command.
Co-authored-by: Peng Cheng <chengpeng5555@outlook.com>

 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

**Description**
Add result contributing rules

Update SuperBench documents.