Publish plugin marker artifacts for use with plugins DSL

To use this syntax aka plugins DSL the plugin must have a corresponding marker artifact in one of the plugin repositories:

plugins {
    id 'com.google.gms.google-services' version '4.2.0'
}

Also instead of using buildscript block one would have to add Google’s Maven as a plugin repository in their settings.gradle:

pluginManagement {
    repositories {
        gradlePluginPortal()
        google()
    }
}

PR for google-services-plugin

[EdricChan03]

@technoir42 Apologies for the ping, but are there any plans on getting the other 2 plugins oss-licenses-plugin and strict-version-matcher-plugin updated with plugin markers? I’ve noticed that in the PR #51 you’ve mentioned that you’re planning to update the last 2 plugins as well. 😅

EDIT: I’ve since created a PR #222 that aims to publish a plugin marker for the OSS Licenses plugin

[plnice]

@davidmotson sorry for mentioning directly, but I’ve seen that you are involved in a similar task for Firebase (https://github.com/firebase/firebase-android-sdk/issues/3125#issuecomment-966711911) which is going to be released soon, and you also contributed some code to the google-services plugin - so will you be able to also have a look at the plugin marker artifact support for google-services? I could completely get rid of buildscript block in my project when plugin markers are released for both Firebase plugins and google-services.