message: Update install-harbor.md
  Fix 2 typos and indentation
diff: ```
  helm upgrade --install --create-namespace \
  --namespace harbor --wait \
  - -f harbor-values.yaml \
  + -f harbor-values.yml \
  harbor harbor/harbor
  ```
  2. Visit Harbor at the URL you set in `harbor.yml`.
  1. Username: admin
  2. Password:
  ```
  - kubectl -n harbor get secret harbor-harbor-core -o jsonpath="{.data.HARBOR_ADMIN_PASSWORD}" | base64 --decode
  + kubectl -n harbor get secret harbor-core -o jsonpath="{.data.HARBOR_ADMIN_PASSWORD}" | base64 --decode
  ```
  3. You will need to add the above Harbor credentials to the Lagoon Remote `values.yml` in the next step, as well as `harbor-values.yml`.
  