feat(golang-rewrite): create placeholder plugin command structs

cmd/main.go

@@ -7,16 +7,45 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
+const usageText = `The Multiple Runtime Version Manager.
+
+Manage all your runtime versions with one tool!
+
+Complete documentation is available at https://asdf-vm.com/`
+
 func Execute() {
 	app := &cli.App{
 		Name:    "asdf",
 		Version: "0.1.0",
-		Usage:   "The multiple runtime version manager",
-		UsageText: `The Multiple Runtime Version Manager.
-
-Manage all your runtime versions with one tool!
-
-Complete documentation is available at https://asdf-vm.com/`,
+		// Not really sure what I should put here, but all the new Golang code will
+		// likely be written by me.
+		Copyright: "(c) 2024 Trevor Brown",
+		Authors: []*cli.Author{
+			&cli.Author{
+				Name: "Trevor Brown",
+			},
+		},
+		Usage:     "The multiple runtime version manager",
+		UsageText: usageText,
+		Commands: []*cli.Command{
+			&cli.Command{
+				Name: "plugin",
+				Subcommands: []*cli.Command{
+					&cli.Command{
+						Name: "add",
+					},
+					&cli.Command{
+						Name: "list",
+					},
+					&cli.Command{
+						Name: "remove",
+					},
+					&cli.Command{
+						Name: "update",
+					},
+				},
+			},
+		},
 		Action: func(cCtx *cli.Context) error {
 			// TODO: flesh this out
 			log.Print("Late but latest -- Rajinikanth")