feat: add support for listing all sub-commands of a command (#5289)

Author: remyleone

cmd/scw/testdata/test-all-usage-account-project-create-usage.golden

@@ -11,7 +11,8 @@ ARGS:
   [organization-id]    Organization ID to use. If none is passed the default organization ID will be used
 
 FLAGS:
-  -h, --help   help for create
+  -h, --help                help for create
+      --list-sub-commands   List all subcommands
 
 GLOBAL FLAGS:
   -c, --config string    The path to the config file

cmd/scw/testdata/test-all-usage-account-project-delete-usage.golden

@@ -9,7 +9,8 @@ ARGS:
   [project-id]   Project ID to use. If none is passed the default project ID will be used
 
 FLAGS:
-  -h, --help   help for delete
+  -h, --help                help for delete
+      --list-sub-commands   List all subcommands
 
 GLOBAL FLAGS:
   -c, --config string    The path to the config file

cmd/scw/testdata/test-all-usage-account-project-get-usage.golden

@@ -9,7 +9,8 @@ ARGS:
   [project-id]   Project ID to use. If none is passed the default project ID will be used
 
 FLAGS:
-  -h, --help   help for get
+  -h, --help                help for get
+      --list-sub-commands   List all subcommands
 
 GLOBAL FLAGS:
   -c, --config string    The path to the config file

cmd/scw/testdata/test-all-usage-account-project-list-usage.golden

@@ -12,7 +12,8 @@ ARGS:
   [organization-id]       Organization ID to use. If none is passed the default organization ID will be used
 
 FLAGS:
-  -h, --help   help for list
+  -h, --help                help for list
+      --list-sub-commands   List all subcommands
 
 GLOBAL FLAGS:
   -c, --config string    The path to the config file

cmd/scw/testdata/test-all-usage-account-project-update-usage.golden

@@ -11,7 +11,8 @@ ARGS:
   [description]   Description of the Project
 
 FLAGS:
-  -h, --help   help for update
+  -h, --help                help for update
+      --list-sub-commands   List all subcommands
 
 GLOBAL FLAGS:
   -c, --config string    The path to the config file

cmd/scw/testdata/test-all-usage-account-project-usage.golden

@@ -13,7 +13,8 @@ AVAILABLE COMMANDS:
   update      Update Project
 
 FLAGS:
-  -h, --help   help for project
+  -h, --help                help for project
+      --list-sub-commands   List all subcommands
 
 GLOBAL FLAGS:
   -c, --config string    The path to the config file

cmd/scw/testdata/test-all-usage-account-usage.golden

@@ -9,7 +9,8 @@ AVAILABLE COMMANDS:
   project     Project management commands
 
 FLAGS:
-  -h, --help   help for account
+  -h, --help                help for account
+      --list-sub-commands   List all subcommands
 
 GLOBAL FLAGS:
   -c, --config string    The path to the config file

cmd/scw/testdata/test-all-usage-alias-create-usage.golden

@@ -18,7 +18,8 @@ ARGS:
     [command]   Command to create an alias for
 
 FLAGS:
-  -h, --help   help for create
+  -h, --help                help for create
+      --list-sub-commands   List all subcommands
 
 GLOBAL FLAGS:
   -c, --config string    The path to the config file

cmd/scw/testdata/test-all-usage-alias-delete-usage.golden

@@ -9,7 +9,8 @@ ARGS:
   alias   alias name
 
 FLAGS:
-  -h, --help   help for delete
+  -h, --help                help for delete
+      --list-sub-commands   List all subcommands
 
 GLOBAL FLAGS:
   -c, --config string    The path to the config file

cmd/scw/testdata/test-all-usage-alias-list-usage.golden

@@ -11,7 +11,8 @@ ARGS:
   [alias]                  filter alias
 
 FLAGS:
-  -h, --help   help for list
+  -h, --help                help for list
+      --list-sub-commands   List all subcommands
 
 GLOBAL FLAGS:
   -c, --config string    The path to the config file