HealthResource: Service Status Check

val status = client.health.check()
println(status.status)   // "ok"
println(status.version)  // "0.14.4"

val client = Figranium(baseUrl = "https://figranium.example")
val status = client.health.check()
println(status.status)

val client = Figranium(baseUrl = "https://figranium.example")

try {
    val status = client.health.check()
    println("Server is up: ${status.status}")
} catch (error: FigraniumException) {
    if (error.code == "NETWORK_ERROR") {
        println("Cannot reach the Figranium server. Check the baseUrl and network.")
    }
    throw error
}