Add support for `schPinStyle` for margin adjustment

[homie-gg[bot]]

This might be a duplicate of: support for schPinStyle.

[homie-gg[bot]]

This might have already been done via: revert build system to use --dts, add schPinStyle and other schematic box improvements.

[homie-gg[bot]]

Here are some pull requests that might be helpful reference for this task:

• revert build system to use --dts, add schPinStyle and other schematic box improvements