Wire Harness: Main Battery

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Create the harness design from the PCB to the main battery and its associated assembly documentation.

• Origin: PCB J45 Molex Mega-Fit 2x1 and J46 JST
• Destination: Battery XT-60 connector and balancing JST
• Wire recommendation: 12-18 AWG for power and 24-26 AWG for balancing.
• Length: 150mm (conservative estimate; may be refined in integration)
• Pinout references: See below image for XT-60 polarity, refer to PCB schematic for PCB connector polarity. Balancing connector should be 1-to-1.

A tutorial is available in our wiki here: https://github.com/RespiraWorks/Ventilator/wiki/Designing-Wire-Harnesses-with-WireViz

• [ ] Create a branch for the new harness
• [ ] Add components to the json library at: master/docs/purchasing/parts.json
• [ ] Create the harness source file using WireViz
• [ ] Run WireViz to check your work
• [ ] Create a documentation page for the harness in reStructured text
• [ ] Commit only the .yml and .rst files, and any images you references in the harness source file.
• [ ] Create a pull request for the harness branch