Generate, validate, process and pack config YAML

## Usage

`circleci config <command> [flags]`

## Available Commands

| Command    | Description                                           |
| ---------- | ----------------------------------------------------- |
| `generate` | Generate .circleci/config.yml from a repository scan  |
| `pack`     | Bundle split config files into a single YAML document |
| `process`  | Compile and expand a pipeline config file             |
| `validate` | Validate a pipeline config file                       |

## Flags

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

## Details

Work with the pipeline configuration file at .circleci/config.yml.

This group manages the pipeline YAML that CircleCI executes. For CLI
tool settings (API token, host, defaults), use 'circleci setting'.

