update README.md

README.md

@@ -1 +1,37 @@
-# Translate
+# Translate
+
+## Usage
+
+### Install
+
+```shell
+go get github.com/eiixy/go-translate
+```
+
+### Example
+```go
+package main
+
+import (
+	"fmt"
+	"github.com/eiixy/go-translate"
+)
+
+func main() {
+	tr := translate.NewClient()
+	texts, err := tr.Translates([]string{"hello", "world"})
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	fmt.Println(texts)
+
+	text, err := tr.Translate("hello world")
+	if err != nil {
+		fmt.Println(err)
+		return 
+	}
+	fmt.Println(text)
+}
+
+```

go.mod

@@ -1,5 +1,5 @@
 module github.com/eiixy/go-translate
 
-go 1.20
+go 1.18
 
 require golang.org/x/time v0.5.0