add: new default request.

Author: melbahja

request.go

@@ -0,0 +1,22 @@
+package got
+
+import (
+	"net/http"
+)
+
+// DefaulUserAgent is the default Got user agent to send http request.
+const DefaulUserAgent = "Got/1.0"
+
+// NewRequest returns a new http.Request and error if any.
+func NewRequest(method, URL string) (*http.Request, error) {
+
+	req, err := http.NewRequest(method, URL, nil)
+
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Set("User-Agent", DefaulUserAgent)
+
+	return req, nil
+}