Add all versions of Groovy on BinTray to GVM/SDKman

versions.groovy

@Grab('com.github.groovy-wslite:groovy-wslite:1.1.2')
import wslite.rest.*

def consumerKey = "CONSUMER_KEY"
def consumerToken = "CONSUMER_TOKEN"

def host = "https://bintray.com"
def client = new RESTClient(host)
def releaseClient = new RESTClient("https://gvm-vendor-dev.herokuapp.com")

new File("versions.txt").eachLine() { String version ->
    try {
        def path = "/artifact/download/groovy/maven/groovy-binary-${version}.zip"
        client.head(path: "$path")
        def headers = [
            "consumer_key": consumerKey,
            "consumer_token": consumerToken
        ]
        releaseClient.post(path: "/release", headers: headers) {
            type "application/json"
            json candidate: "groovy", version: "$version", url: "$host/$path"
        }
        println "$version was released!"
    } catch (RESTClientException rce) {
        println "$version problems: $rce.message"
    }
}