feat: add --networks flag to config command

Signed-off-by: MohammadHasan Akbari <jarqvi.jarqvi@gmail.com>

docs/reference/compose_config.md

@@ -15,6 +15,7 @@ the canonical format.
 | `--hash`                  | `string` |         | Print the service config hash, one per line.                                |
 | `--images`                | `bool`   |         | Print the image names, one per line.                                        |
 | `--lock-image-digests`    | `bool`   |         | Produces an override file with image digests                                |
+| `--networks`              | `bool`   |         | Print the network names, one per line.                                      |
 | `--no-consistency`        | `bool`   |         | Don't check model consistency - warning: may produce invalid Compose output |
 | `--no-env-resolution`     | `bool`   |         | Don't resolve service env files                                             |
 | `--no-interpolate`        | `bool`   |         | Don't interpolate environment variables                                     |

docs/reference/docker_compose_config.yaml

@@ -56,6 +56,16 @@ options:
       experimentalcli: false
       kubernetes: false
       swarm: false
+    - option: networks
+      value_type: bool
+      default_value: "false"
+      description: Print the network names, one per line.
+      deprecated: false
+      hidden: false
+      experimental: false
+      experimentalcli: false
+      kubernetes: false
+      swarm: false
     - option: no-consistency
       value_type: bool
       default_value: "false"