linking in the new guide

CHANGELOG.md

@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
 
 ## [unreleased][unreleased]
+ - Added a new OSX install guide (@maxieds)
  - Added new public key (@anon)
  - Changed start screen to be less intimidating (@iceman1001)
  - Added detection of a possible mismatch between client and Proxmark3 image (@doegox)

README.md

@@ -37,6 +37,7 @@ The Proxmark3 is the swiss-army tool of RFID, allowing for interactions with the
 | [Linux - Important notes on ModemManager](/doc/md/Installation_Instructions/ModemManager-Must-Be-Discarded.md) | [Validating Proxmark3 Client Functionality](/doc/md/Use_of_Proxmark/1_Validation.md)|
 | [Mac OS X - Homebrew & Upgrading HomeBrew Tap Formula](/doc/md/Installation_Instructions/Mac-OS-X-Homebrew-Installation-Instructions.md) | [First Use and Verification](/doc/md/Use_of_Proxmark/2_Configuration-and-Verification.md)|
 | [Mac OS X - MacPorts](/doc/md/Installation_Instructions/Mac-OS-X-MacPorts-Installation-Instructions.md) | [Commands & Features](/doc/md/Use_of_Proxmark/3_Commands-and-Features.md)|
+| [Mac OS X - Setup and Build](/doc/md/Installation_Instructions/Mac-OS-X-Compile-From-Source-Instructions.md) ||
 | [Windows - Setup and Build](/doc/md/Installation_Instructions/Windows-Installation-Instructions.md) ||
 | [Termux / Android - Setup and Build](/doc/termux_notes.md) ||
 | [Blue Shark Manual](/doc/bt_manual_v10.md) | [Command Cheat Sheet](/doc/cheatsheet.md)|