README: Add link to Mac OS X Forum thread.
README: Add link to Mac OS X Forum thread.

OutOfOrder/ags-geminirue,OutOfOrder/ags-geminirue,OutOfOrder/ags-geminirue,humble/ags-geminirue,OutOfOrder/ags-geminirue,OutOfOrder/ags-geminirue,OutOfOrder/ags-geminirue,humble/ags-geminirue,humble/ags-geminirue,humble/ags-geminirue,humble/ags-geminirue,humble/ags-geminirue,humble/ags-geminirue,OutOfOrder/ags-geminirue