`tsci export` command to export to gerbers, pnp.csv, bom.csv

[seveibar]

• Support tsci export gerbers --input path/to/example.tsx #184
• Support tsci export pnp-csv --input path/to/example.tsx #182
• Support tsci export bom-csv --input path/to/example.tsx #183

[homie-gg]

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

• Update export-gerbers.ts
• integrated board outline
• gerber now outputs drill file

[homie-gg]

This might have already been done via: Remove @tscircuit/builder.