Update changelog [skip ci].

Merge pull request #17 from vuongxuongminh/3.x [skip ci].

Update doc and clean chart helper [skip ci].

Merge pull request #13 from vuongxuongminh/2.1

Update CHANGELOG.md

Merge pull request #10 from vuongxuongminh/2.1

Update dependencies.

Merge pull request #6 from vuongxuongminh/2.0

Update CHANGELOG.md

Merge pull request #4 from vuongxuongminh/develop

Bump version 1.1.1.

Merge pull request #3 from vuongxuongminh/develop

Bump version 1.1.0.

Merge pull request #1 from vuongxuongminh/document

Add document