chore: rename keystone to draft

Rename the module, CLI command name, and all references from
keystone/basalt to draft, and fix the stale build/README content
found along the way.

cmd/api.go

@@ -8,7 +8,7 @@ import (
 	"path/filepath"
 	"strings"
 
-	"gitea.fernandovideira.com/FernandoJVideira/keystone/assets"
+	"git.fernandovideira.com/FernandoJVideira/draft/assets"
 	"github.com/manifoldco/promptui"
 	"github.com/spf13/cobra"
 )
@@ -19,8 +19,8 @@ func init() {
 
 var apiCmd = &cobra.Command{
 	Use:   "api",
-	Short: "Create a new Keystone API project",
-	Long:  `Create a new Keystone API project with the necessary structure and files.`,
+	Short: "Create a new Draft API project",
+	Long:  `Create a new Draft API project with the necessary structure and files.`,
 	Run:   genProject,
 }