Add UI to display list of broker configs

[workshur]

Add an interface to display broker configs

AC:

• page contains table/list of broker configs
• row/list item is equal to config property
• Each row contains controls to update config property (input and submit)
• each submit must be confirmed by user. (Use ConfirmationModal component)

Related Issues: https://github.com/provectus/kafka-ui/issues/701 https://github.com/provectus/kafka-ui/issues/702 https://github.com/provectus/kafka-ui/issues/703

[Haarolean]

/api/clusters/{clusterName}/brokers/{id}/configs UI should look the same as topic configs