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**Description**
Add system config info for result collection

**Description**
Add document for SuperBench YAML config file.

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

**Description**
Add Executor and Benchmarks design doc

**Major Revision**
- Add Executor design doc
- Add Benchmarks design doc

__Description__
Cherry-pick bug fixes from v0.2.1 to main.

__Major Revisions__
* Fix bug of VGG models failed on A100 GPU with batch_size=128.
* Fix Ansible connection issue when running in localhost.
* Update version in packages and docs.

Update README and version for v0.2 release.

* Add introduction and release documents.
* Fix some typos in documents.

* Initialize SuperBench website.
* Add GitHub Actions for automatically build and publish.