add node 15

Author: dblythy

.github/workflows/ci.yml

@@ -24,8 +24,12 @@ jobs:
     strategy:
       matrix:
         include:
+          - name: Node 12
+            NODE_VERSION: 12.22.11
           - name: Node 14
             NODE_VERSION: 14.19.1
+          - name: Node 15
+            NODE_VERSION: 15.14.0
           - name: Node 16
             NODE_VERSION: 16.14.2
           - name: Node 18

README.md

@@ -8,7 +8,7 @@
 [![Snyk Badge](https://snyk.io/test/github/parse-community/Parse-SDK-JS/badge.svg)](https://snyk.io/test/github/parse-community/Parse-SDK-JS)
 [![Coverage](http://codecov.io/github/parse-community/Parse-SDK-JS/coverage.svg?branch=alpha)](http://codecov.io/github/parse-community/Parse-SDK-JS?branch=alpha)
 
-[![Node Version](https://img.shields.io/badge/nodejs-12,_14,_15-green.svg?logo=node.js&style=flat)](https://nodejs.org/)
+[![Node Version](https://img.shields.io/badge/nodejs-12,_14,_15,_16,_18-green.svg?logo=node.js&style=flat)](https://nodejs.org/)
 [![auto-release](https://img.shields.io/badge/%F0%9F%9A%80-auto--release-9e34eb.svg)](https://github.com/parse-community/parse-dashboard/releases)
 
 [![npm latest version](https://img.shields.io/npm/v/parse/latest.svg)](https://www.npmjs.com/package/parse)
@@ -113,12 +113,12 @@ And don't forget, if you plan to deploy it remotely, you should run `npm install
 
 We really want Parse to be yours, to see it grow and thrive in the open source community. Please see the [Contributing to Parse Javascript SDK guide][contributing].
 
- 
+
 [3rd-party-auth]: http://docs.parseplatform.org/parse-server/guide/#oauth-and-3rd-party-authentication
 [contributing]: https://github.com/parse-community/Parse-SDK-JS/blob/master/CONTRIBUTING.md
 [custom-auth-module]: https://docs.parseplatform.org/js/guide/#custom-authentication-module
 [link-with]: https://docs.parseplatform.org/js/guide/#linking-users
 [migration]: https://github.com/parse-community/Parse-SDK-JS/blob/master/2.0.0.md
 [open-collective-link]: https://opencollective.com/parse-server
-[types-parse]: https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/parse 
+[types-parse]: https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/parse
 [license-link]: LICENSE