Refactor Camera component to use libcamera

[jwest115]

• Updated Camera component to use libcamera instead of OpenCV, addresses Refactor System Reference Camera component to use libcamera#2106
  • Added libcamera @ bde9b04 git submodule
• Added parameter for setting image resolution (instead of setting the value with a configImg command), addresses #15
• Added CameraNotDetected and CameraCaptureFail events
• Added documentation on how to build libcamera (natively and for other architectures), addresses Cleanup System Reference Documentation#2105
  • Future work includes adding cmake option for building the System Reference with or without libcamera
• Added python script for processing images (to be ran on the ground)
  • Included documentation and example on how to run it
  • Removed ImageProcessor component since processing will be done on the ground
• Documentation cleanup, addresses Cleanup System Reference Documentation#2105

Other changes included in this PR:

• Add documentation for cross-compiling, addresses #11
• Fix path to wiring diagram in README, addresses #45
  • Future work includes adding a section for hardware setup (including camera, actuator, etc.)

[jwest115]

Need to figure out why I get a fatal when using the BufferLogger to save image data. Once that is done, this PR should be ready for review.

[jwest115]

Will address the above comments/feedback in a separate issue nasa/fprime#2266