Merge pull request #21 from gwinn/master

add user/bot name & photo for webhook

v1/types.go

@@ -145,6 +145,19 @@ type WebhookData struct {
 	Content           string           `json:"content"`
 	QuoteExternalID   string           `json:"quote_external_id,omitempty"`
 	QuoteContent      string           `json:"quote_content,omitempty"`
+	User              *MessageDataUser `json:"user,omitempty"`
+	Bot               *MessageDataBot  `json:"bot,omitempty"`
+}
+
+type MessageDataUser struct {
+	FirstName string `json:"first_name"`
+	LastName  string `json:"last_name"`
+	Avatar    string `json:"avatar"`
+}
+
+type MessageDataBot struct {
+	Name   string `json:"name"`
+	Avatar string `json:"avatar"`
 }
 
 // TransportRequestMeta request metadata