Gimbal grabber integration

[upadhyaydhruv]

Description

Code to integrate code allowing control of gimbal and grabber system for the drone.

Pins for Grabber:

Driver Board 1:
M1A - PWM5, M1B - PWM9, M2A - PC2, M2B - PC3

Driver Board 2:
M1A - PWM7, M1B - PWM8

Pins for Gimbal:
PWM6 and PWM10

Testing

Tested gimbal by mounting servos, tested grabbers primarily through oscilloscope with RC inputs

Documentation

Include links to changes in documentation on confluence that you have created, if it was required.

https://uwarg-docs.atlassian.net/wiki/spaces/ZP/overview?homepageId=20217925

Merge Checklist:

• The changes have been well commented, particularly in hard-to-understand areas.
• The code has been tested on hardware, either by me or somone else.
• Comprehensive unit tests have been made for this change
• Corresponding changes to documentation have been created and links to this documentation are provided within the pull request.
• The changes generate no new warnings and compile and run; A screenshot of a successful compile message is attached to the bottom of this PR.