fix readme example

README.md

@@ -4,13 +4,10 @@ Fork of https://github.com/mattn/go-mastodon
 
 ## Usage
 
-### Client
-
-```go
+```
 package main
 
 import (
-	"context"
 	"fmt"
 	"log"
 
@@ -24,7 +21,7 @@ func main() {
 		ClientSecret: "client-secret",
 		AccessToken:  "accessToken",
 	})
-	timeline, err := GetHomeTimeline(nil)
+	timeline, err := mastodon.GetHomeTimeline(nil)
 	if err != nil {
 		log.Fatal(err)
 	}