Clean up unused files & document Node version support.

Closes #35.

Author: dpogue

README.md

@@ -1,9 +1,15 @@
-[![Build status](https://ci.appveyor.com/api/projects/status/0ffoydxknq0sx48i/branch/master?svg=true)](https://ci.appveyor.com/project/shazron/simctl/branch/master)
+[![NPM](https://nodei.co/npm/simctl.svg?style=flat&data=n,v,u&color=blue)](https://www.npmjs.com/package/simctl)
+[![Node CI](https://github.com/ios-control/simctl/actions/workflows/ci.yml/badge.svg)](https://github.com/ios-control/simctl/actions/workflows/ci.yml)
 
-## library wrapper for Xcode's simctl utility on OS X
+## library wrapper for Xcode's simctl utility on macOS
 
 Used by [ios-sim](https://www.npmjs.com/package/ios-sim)
 
 ## Requirements
 
-Xcode 8 or greater
+* Xcode 8 or greater
+* NodeJS 14.17.0 or greater
+
+### Development Requirements
+
+* NodeJS 20.19.0 or greater for Node Test Runner support

jest.config.js

@@ -23,5 +23,19 @@
   "license": "MIT",
   "devDependencies": {
     "@cordova/eslint-config": "^6.0.0"
+  },
+  "engines": {
+    "node": ">= 14.17.0"
+  },
+  "devEngines": {
+    "os": {
+      "name": "darwin",
+      "onFail": "warn"
+    },
+    "runtime": {
+      "name": "node",
+      "version": ">= 20.9.0",
+      "onFail": "error"
+    }
   }
 }