1. Fix the pull/push commands showed on UI are incorrect
2. Replace "insecureRegistry" with "externalProtocol"
3. Using the secret rather than pasting text if users want to use the certificate of themselves
4. Refine NOTES.txt
Fixes#5133
Provide more flexibility for ingress controller setting. When the
ingress controller is not exposing 80/443 port, user can set `externalPort` to expose the endpoint of Harbor.
* Update Harbor helm chart to deploy Harbor 1.4.0 release
* Change version to 0.1.0 and fix a doc error
* Fix auth_mode default value
* Refine doc and fix a typo