pipelines: add auth command group

acceptance/pipelines/install-pipelines-cli/output.txt

@@ -10,6 +10,7 @@ Usage:
   pipelines [command]
 
 Available Commands:
+  auth        Authentication related commands
   completion  Generate the autocompletion script for the specified shell
   help        Help about any command
   init        Initialize a new pipelines project
@@ -45,6 +46,7 @@ Usage:
   pipelines [command]
 
 Available Commands:
+  auth        Authentication related commands
   completion  Generate the autocompletion script for the specified shell
   help        Help about any command
   init        Initialize a new pipelines project

cmd/pipelines/auth.go

@@ -0,0 +1,10 @@
+package pipelines
+
+import (
+	"github.com/databricks/cli/cmd/auth"
+	"github.com/spf13/cobra"
+)
+
+func authCommand() *cobra.Command {
+	return auth.New()
+}

cmd/pipelines/pipelines.go

@@ -10,5 +10,6 @@ import (
 func New(ctx context.Context) *cobra.Command {
 	cli := root.New(ctx)
 	cli.AddCommand(initCommand())
+	cli.AddCommand(authCommand())
 	return cli
 }