Merge pull request crawlab-team#1025 from crawlab-team/develop

updated README

Merge pull request crawlab-team#988 from crawlab-team/develop

added changelog for v0.6.0-beta.20210803

Merge pull request crawlab-team#818 from crawlab-team/develop

Develop

Merge pull request crawlab-team#806 from crawlab-team/develop

Develop

Merge pull request crawlab-team#701 from crawlab-team/develop

fixed crawlab-team#700

Merge pull request crawlab-team#664 from crawlab-team/release

Release

Merge pull request crawlab-team#629 from crawlab-team/develop

fixed k8s yaml

Merge pull request crawlab-team#595 from crawlab-team/develop

added github build badge

Merge pull request crawlab-team#556 from crawlab-team/release

Release

Merge pull request crawlab-team#509 from crawlab-team/release

Release