Bump version to v2

Signed-off-by: Vartan Benohanian <vartanbeno@gmail.com>

README.md

@@ -8,7 +8,7 @@
 
 [![Actions Status](https://github.com/vartanbeno/go-reddit/workflows/tests/badge.svg)](https://github.com/vartanbeno/go-reddit/actions)
 [![Go Report Card](https://goreportcard.com/badge/github.com/vartanbeno/go-reddit)](https://goreportcard.com/report/github.com/vartanbeno/go-reddit)
-[![PkgGoDev](https://pkg.go.dev/badge/github.com/vartanbeno/go-reddit/reddit)](https://pkg.go.dev/github.com/vartanbeno/go-reddit/reddit)
+[![PkgGoDev](https://pkg.go.dev/badge/github.com/vartanbeno/go-reddit/v2/reddit)](https://pkg.go.dev/github.com/vartanbeno/go-reddit/v2/reddit)
 
 </div>
 
@@ -45,7 +45,7 @@ Make sure to have a Reddit app with a valid client id and secret. [Here](https:/
 ```go
 package main
 
-import "github.com/vartanbeno/go-reddit/reddit"
+import "github.com/vartanbeno/go-reddit/v2/reddit"
 
 func main() {
     credentials := reddit.Credentials{ID: "id", Secret: "secret", Username: "username", Password: "password"}

examples/client-on-request-completed/main.go

@@ -6,7 +6,7 @@ import (
 	"log"
 	"net/http"
 
-	"github.com/vartanbeno/go-reddit/reddit"
+	"github.com/vartanbeno/go-reddit/v2/reddit"
 )
 
 var ctx = context.Background()

examples/get-subreddit/main.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"log"
 
-	"github.com/vartanbeno/go-reddit/reddit"
+	"github.com/vartanbeno/go-reddit/v2/reddit"
 )
 
 var ctx = context.Background()

examples/get-top-posts/main.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"log"
 
-	"github.com/vartanbeno/go-reddit/reddit"
+	"github.com/vartanbeno/go-reddit/v2/reddit"
 )
 
 var ctx = context.Background()

examples/stream-posts/main.go

@@ -8,7 +8,7 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/vartanbeno/go-reddit/reddit"
+	"github.com/vartanbeno/go-reddit/v2/reddit"
 )
 
 var ctx = context.Background()

examples/submit-post/main.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"log"
 
-	"github.com/vartanbeno/go-reddit/reddit"
+	"github.com/vartanbeno/go-reddit/v2/reddit"
 )
 
 var ctx = context.Background()