Typo

[johnnywycliffe]

Description

Adding some details to the MacOS getting started section:

• Added 'cmake' to install list
• Added esp-idf download and install instructions from the linux section
• Changed brew services **start** pulseaudio to brew services **stop** pulseaudio
• Updated language indicating MacOS isn't capable of building the firmware
• Updated the COM step with a note about /dev/tty. for linux and /dev/cu. for MacOS.

Test Instructions

• Fresh install of MacOS (All brew packages removed)
• Followed new guidelines
• Able to build and flash Swadge

Ticket Links

https://github.com/AEFeinstein/Super-2024-Swadge-FW/issues/204

Readiness Checklist

• [x] I have run make format to format the changes
• [x] I have compiled the firmware and the changes have no warnings
• [x] I have compiled the emulator and the changes have no warnings
• [x] I have run make cppcheck and checked that cppcheck_result.txt has no warnings for the changes
• [x] I have added doxygen comments to any code used by more than one Swadge mode. This includes /*! \file comments with Design Philosophy, Usage, and Example sections for new headers.
• [x] I have run make docs and checked that doxy_warnings.txt has no warnings for the new code