Add api-url / service based threshold configuration to help log warning when the time taken to finish the api crosses the threshold

[rakibulhaq]

    configs: dict = { ... 
        url-configs : [
            { url: "auth", "max_time":2}, { url: "login", "max_time":3}, 
        ]
    }

or

configs: dict = { ... 
        service-configs : [
            { service_name: "authentication", "max_time":2}, { service_name: "encryption", "max_time":3}, { service_name: "search", "max_time":3}, 
        ]
    }