V1.12.6 - Southern Hemisphere fixes

[ClutchplateDude]

• Fixed all known issues related to running in the southern hemisphere.
• Added support for DIR inversion to interrupt stepper library.
• Hemisphere no longer needs to be defined in config, firmware determines it automatically from the given Latitude, switching at the equator.
• Fixed the logic in Sync call to account for both hemispheres.
• Fixed some logic that stopped tracking when setting home position.
• Fixed a bug that caused the firmware to fail to recognize the end of very short slews.
• Added Meade Extension command to query remaining tracking time
• Added Meade Extension command to query the hemisphere that is set.

[openastrotech-bot]

Looks like your PR has code that needs to be changed in order to meet our coding standards! Here are your options:

1. Apply the patch that was generated by the job
   1. Click details under the failing clang-format check
   2. Click the Artifacts dropdown in the top right
   3. Download + unzip the clang-format-diff.patch file into the OpenAstroTracker-Firmware repo
   4. Run git apply clang-format-diff.patch to make the changes
   5. Commit and push up the formatted code
2. Run clang-format locally
   1. Run the command bash -c 'shopt -s nullglob globstar;GLOBIGNORE=./src/libs/TimerInterrupt/*; for i in ./{.,src/**,unit_tests,boards/**}/*.{c,cpp,h,hpp}; do clang-format -i $i; done'
   2. Commit and push up the formatted code