Release v1.1.3

move asset dependence

Release v1.1.2

• fix auto-bootstrap

Release v1.1.0

• auto-create backup dir
• auto-identify yii2-extension

Release v1.0.1

• update "bower-asset/vue:^2.6" -> "bower-asset/vue:2.6.*"

Release v1.0.0

update README.md