Replace logo url in README
| Nightly build | [![nightly](https://ci.flintstone.cf.cloud.ibm.com/api/v1/teams/quarks/pipelines/cf-operator-nightly/badge)](https://ci.flintstone.cf.cloud.ibm.com/teams/quarks/pipelines/cf-operator-nightly) |
| ------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-<img align="right" width="200" height="39" src="https://github.com/cloudfoundry-incubator/cf-operator/raw/master/docs/cf-operator-logo.png">
+<img align="right" width="200" height="39" src="https://github.com/cloudfoundry-incubator/quarks-docs/raw/master/content/en/docs/cf-operator-logo.png">
----
