fix: Unnest workspaces command to the top-level (#1241)

This changes all "coder workspace *" commands to root.
A few of these were already at the root, like SSH. The
inconsistency made for a confusing experience.

cli/start.go

@@ -0,0 +1,40 @@
+package cli
+
+import (
+	"time"
+
+	"github.com/spf13/cobra"
+
+	"github.com/coder/coder/cli/cliui"
+	"github.com/coder/coder/coderd/database"
+	"github.com/coder/coder/codersdk"
+)
+
+func start() *cobra.Command {
+	return &cobra.Command{
+		Use:  "start <workspace>",
+		Args: cobra.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			client, err := createClient(cmd)
+			if err != nil {
+				return err
+			}
+			organization, err := currentOrganization(cmd, client)
+			if err != nil {
+				return err
+			}
+			workspace, err := client.WorkspaceByOwnerAndName(cmd.Context(), organization.ID, codersdk.Me, args[0])
+			if err != nil {
+				return err
+			}
+			before := time.Now()
+			build, err := client.CreateWorkspaceBuild(cmd.Context(), workspace.ID, codersdk.CreateWorkspaceBuildRequest{
+				Transition: database.WorkspaceTransitionStart,
+			})
+			if err != nil {
+				return err
+			}
+			return cliui.WorkspaceBuild(cmd.Context(), cmd.OutOrStdout(), client, build.ID, before)
+		},
+	}
+}