Alex Pasmantier ca09c503ca
refactor!(cable): update cable channel preview configuration format + add custom preview offsets (#511)
BREAKING CHANGE: the format of the cable channel files and more
specifically the preview specification is updated to be a single table
named `preview` (with keys `command`, `delimiter`, and `offset`) instead
of three flat fields.

```toml
preview_command = "echo 3"
preview_delimiter = " "
preview_offset = "{1}"
```

becomes: 

```toml
preview.command = "echo 3"
preview.delimiter = " "
preview.offset = "{1}"
```
2025-05-16 01:07:12 +02:00
..