feat: impl New which will use the module name for the root command name

Author: steverusso

builder.go

@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"runtime/debug"
 	"slices"
 	"strings"
 )
@@ -19,6 +20,17 @@ var (
 	errReqArgAfterOptional     = "required positional arguments cannot come after optional ones"
 )
 
+func New() CommandInfo {
+	info, ok := debug.ReadBuildInfo()
+	if !ok {
+		panic("failed to read build info")
+	}
+	lastSlash := strings.LastIndexByte(info.Path, '/')
+	modName := info.Path[lastSlash+1:]
+
+	return NewCmd(modName)
+}
+
 func (c *CommandInfo) prepareAndValidate() {
 	// Add the default help option here as long as this
 	// command doesn't already have a help option.