feat: add docs and readme

[zw0610]

What this PR does / why we need it:

Adding design doc as well as readme and license.

Which issue(s) this PR is related to (optional, link to 3rd issue(s)):

Fixes #9

Reference to #

Special notes for your reviewer:

/cc @terrytangyuan @gaocegege @pendoragon @ddysher

Release note:

NONE

[caicloud-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:
To fully approve this pull request, please assign additional approvers.
We suggest the following additional approver: gaocegege

Assign the PR to them by writing /assign @gaocegege in a comment when ready.

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[caicloud-bot]

@zw0610: PR needs rebase.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[ddysher]

There's nothing in the commit, which is probably caused by opensourcing the repository.

[ddysher]

BTW, we should include a license file, ref https://github.com/caicloud/cyclone/blob/master/LICENSE

[zw0610]

There's nothing in the commit, which is probably caused by opensourcing the repository.

Yes, I re-forked the repo and it looks working. I'll check with @bbbmj to make sure the needs-rebase tag removed.

[zw0610]

/close the public process broke configuration of this pr. replaced by #11