Updated proxy docs to better describe the health port
Updated proxy docs to better describe the health port

- Also added short description of dashboard

[#89977192]

cloudfoundry/cf-mysql-release,kbastani/cf-mysql-release,krishna-mk/cf-mysql-release,CloudCredo/cf-mysql-release,cloudfoundry/cf-mysql-release,krishna-mk/cf-mysql-release,kbastani/cf-mysql-release,krishna-mk/cf-mysql-release,kbastani/cf-mysql-release,CloudCredo/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,CloudCredo/cf-mysql-release