No access for loggined users to anonymouse repos

If you are not logged in you have access to the repo "example".
If you logged in you have access only to repos in the rules.
```
acl:
  - match: {name: "${labels:read-only-access}"}
    actions: ["pull"]
  - match: {account: "", name: "example"}
    actions: ["pull"]
    comment: "List of repos for Anonymous users"
```