0.4.0

Added

• #108 refs #101 Add custom controller to install webhook

Changed

• #111 Fix build script and docker file for new controller
• #110 Update client-go version to 0.19.4
• #105 Bump k8s.io/api from 0.19.3 to 0.19.4
• #109 refs #101 Clean up unused kustomize manifests
• #107 Refactor package
• #106 Add description of fluent-bit in README