Update Quicksilver Pushback to 2.x (#165)

* Update Quicksilver Pushback to 2.x

* Correct pushback script file name

* Add build-providers.json

* Update template repository wording

Author: ataylorme

README.md

@@ -4,7 +4,7 @@
 
 This repository is a reference implementation and start state for a modern WordPress workflow utilizing [Composer](https://getcomposer.org/), Continuous Integration (CI), Automated Testing, and Pantheon. Even though this is a good starting point, you will need to customize and maintain the CI/testing set up for your projects.
 
-It is meant to be copied one-time by the the [Terminus Build Tools Plugin](https://github.com/pantheon-systems/terminus-build-tools-plugin) and **not** meant to be used directly.
+This repository is meant to be copied one-time by the the [Terminus Build Tools Plugin](https://github.com/pantheon-systems/terminus-build-tools-plugin) but can also be used as a template. It should not be cloned or forked directly.
 
 The Terminus Build Tools plugin will scaffold a new project, including:
 

build-providers.json

@@ -0,0 +1 @@
+{"git":"github","ci":"circleci"}

composer.json

@@ -16,7 +16,7 @@
   "require": {
     "php": ">=7.2",
     "composer/installers": "^1.3.0",
-    "pantheon-systems/quicksilver-pushback": "^1.0.1",
+    "pantheon-systems/quicksilver-pushback": "^2",
     "pantheon-systems/wordpress-composer": "*",
     "roots/wp-password-bcrypt": "^1.0.0",
     "rvtraveller/qs-composer-installer": "^1.1",

composer.lock

@@ -6,4 +6,4 @@ workflows:
     after:
       - type: webphp
         description: 'Push changes back to GitHub if needed'
-        script: private/scripts/quicksilver/quicksilver-pushback/push-back-to-github.php
+        script: private/scripts/quicksilver/quicksilver-pushback/push-back.php