Merge 1864c98 into 118a913

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018 nukosuke
+Copyright (c) 2018-2019 nukosuke
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -1,9 +1,52 @@
 # go-zendesk
-
+[![Gitter](https://badges.gitter.im/terraform-provider-zendesk/Lobby.svg)](https://gitter.im/terraform-provider-zendesk/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 [![Build Status](https://travis-ci.org/nukosuke/go-zendesk.svg?branch=master)](https://travis-ci.org/nukosuke/go-zendesk)
 [![Build status](https://ci.appveyor.com/api/projects/status/ce4p1mswjkdftv6o/branch/master?svg=true)](https://ci.appveyor.com/project/nukosuke/go-zendesk/branch/master)
 [![Coverage Status](https://coveralls.io/repos/github/nukosuke/go-zendesk/badge.svg?branch=master)](https://coveralls.io/github/nukosuke/go-zendesk?branch=master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/nukosuke/go-zendesk)](https://goreportcard.com/report/github.com/nukosuke/go-zendesk)
 [![GoDoc](https://godoc.org/github.com/zenform/go-zendesk?status.svg)](https://godoc.org/github.com/zenform/go-zendesk)
 
-Zendesk API client library
+Zendesk API client library for Go
+
+- [Reference](https://godoc.org/github.com/nukosuke/go-zendesk)
+
+## Installation
+
+``` shell
+$ go get github.com/nukosuke/go-zendesk
+```
+
+## Usage
+
+```go
+package main
+
+import (
+    "github.com/nukosuke/go-zendesk/zendesk"
+)
+
+func main() {
+    // You can set custom *http.Client here
+    client := zendesk.NewClient(nil)
+
+    // example.zendesk.com
+    client.SetSubdomain("example")
+
+    // Authenticate with API token
+    client.SetCredential(zendesk.NewAPITokenCredential("john.doe@example.com", "apitoken"))
+
+    // Authenticate with agent password
+    client.SetCredential(zendesk.NewBasicAuthCredential("john.doe@example.com", "password"))
+
+    // Create resource
+    client.CreateGroup(zendesk.Group{
+        Name: "support team",
+    })
+}
+```
+
+## License
+
+MIT License.
+
+See the file [LICENSE](./LICENSE).