Gdsfactory

- add `gf.components.add_trenches` with some components that use it (`coupler_trenches`, `bend_euler_trenches`, `ring_single_trenches`, `ring_double_trenches`) [PR](https://github.com/gdsfactory/gdsfactory/pull/1457)
- Component.move raises Error [PR](https://github.com/gdsfactory/gdsfactory/pull/1459)

- option to expose internal ports spiral_external_io [PR](https://github.com/gdsfactory/gdsfactory/pull/1452)
- fix delay_snake3 [PR](https://github.com/gdsfactory/gdsfactory/pull/1453)

[6.64.1](https://github.com/gdsfactory/gdsfactory/pull/1451)

- add setter for `Port.x` and `Port.y`
- metals have default gap = 10
- `gf.routing.get_bundle(separation=None)` defaults to `cross_section.gap` and `cross_section.width`
- nicer CLI with rich-click
- remove CLI from docs

- add `add_pads_bot` and add_pads_top [PR](https://github.com/gdsfactory/gdsfactory/pull/1446)
- improve Component.add_ports [PR](https://github.com/gdsfactory/gdsfactory/pull/1448)
- add ports info to tests, and add pad_rectangular [PR](https://github.com/gdsfactory/gdsfactory/pull/1449)

[6.63.0](https://github.com/gdsfactory/gdsfactory/pull/1445)

- add `bend_euler_s.info['length']`
- add `mzi(mirror_bot=False)` so you can mirror the bottom arm.

- Fix font free type [PR](https://github.com/gdsfactory/gdsfactory/pull/1438)
- ViaStack accounts for offset when placing vias [PR](https://github.com/gdsfactory/gdsfactory/pull/1437)

- Fixing connections on spiral_heater_fixed_length and removing duplicate remove_layers [PR](https://github.com/gdsfactory/gdsfactory/pull/1431)

- make klayout an optional dependency
- fix cutback_2x2 [PR](https://github.com/gdsfactory/gdsfactory/pull/1430)