Added initial port of original OSX project.

- This is a copy of the [OSX](https://github.com/bkuhlmann/osx) project
  originally released on 2012-03-31. The OSX project has been
  deprecated. All future development and support will take place with
  this project instead.
- This project uses the *macOS* name in order to better match the
  updated branding and terminology used by Apple.

.github/ISSUE_TEMPLATE.md

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+## Expected Behavior
+<!-- Required. Describe, in detail, the behavior experienced. -->
+
+## Actual Behavior
+<!-- Required. Describe, in detail, what should be the correct behavior. -->
+
+## Steps to Recreate
+<!-- Required. List the exact steps to the reproduce errant behavior. -->
+
+0.
+
+## Environment
+<!-- Optional. What is your operating system, software version(s), etc. Delete if unused. -->
+
+## Screenshots/Screencasts
+<!-- Optional. Attach screenshots/screencasts that demo the behavior. Delete if unused. -->

.github/PULL_REQUEST_TEMPLATE.md

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+## Overview
+<!-- Required. Why is this important/necessary? -->
+
+## Details
+<!-- Optional. List the key features/highlights as bullet points. -->
+
+## Notes
+<!-- Optional. List additional notes/references as bullet points. Delete if unused. -->
+
+## Screenshots/Screencasts
+<!-- Optional. Provide image/video support. Delete if unused. -->