fix import path for module

Author: abiosoft

README.md

@@ -2,14 +2,14 @@
 
 ishell is an interactive shell library for creating interactive cli applications.
 
-[![Documentation](https://img.shields.io/badge/godoc-reference-blue.svg?style=flat-square)](https://godoc.org/github.com/abiosoft/ishell)
+[![Go Reference](https://pkg.go.dev/badge/github.com/abiosoft/ishell/v2.svg)](https://pkg.go.dev/github.com/abiosoft/ishell/v2)
 [![Go Report Card](https://goreportcard.com/badge/github.com/abiosoft/ishell)](https://goreportcard.com/report/github.com/abiosoft/ishell)
 
 ## Usage
 
 ```go
 import "strings"
-import "github.com/abiosoft/ishell"
+import "github.com/abiosoft/ishell/v2"
 
 func main(){
     // create new shell.

example/main.go

@@ -7,7 +7,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/abiosoft/ishell"
+	"github.com/abiosoft/ishell/v2"
 	"github.com/fatih/color"
 )
 

go.mod

@@ -1,4 +1,4 @@
-module github.com/abiosoft/ishell
+module github.com/abiosoft/ishell/v2
 
 go 1.16