List iOS signing configs

## Usage

`circleci signing-config list [flags]`

Aliases: `circleci signing-config ls`

## Flags

| Flag           | Description                                                                       |
| -------------- | --------------------------------------------------------------------------------- |
| `--jq string`  | Process values from the response using jq syntax (see `circleci help formatting`) |
| `--json`       | Output as JSON                                                                    |
| `--org string` | Organization slug (e.g. gh/myorg) or UUID; defaults to git remote                 |

Global flags: `-c, --config`, `--debug`, `--no-color`, `-q, --quiet` — see `circleci --help`.

## Examples

- List signing configs (org inferred from git remote): 
  `circleci signing-config list`
- List for a specific org: 
  `circleci signing-config list --org gh/acme`
- Output as JSON: 
  `circleci signing-config list --json`
- Get signing config names only: 
  `circleci signing-config list --json --jq '.[].name'`

## Details

List the iOS signing configs defined for your organization.

JSON fields: id, name, certificate, provisioning_profiles

