feat: suno api 支持

feat: 调试 suno

feat: 补充suno 文档

controller/channel-test.go

@@ -27,6 +27,9 @@ func testChannel(channel *model.Channel, testModel string) (err error, openaiErr
 	if channel.Type == common.ChannelTypeMidjourney {
 		return errors.New("midjourney channel test is not supported"), nil
 	}
+	if channel.Type == common.ChannelTypeSunoAPI {
+		return errors.New("suno channel test is not supported"), nil
+	}
 	w := httptest.NewRecorder()
 	c, _ := gin.CreateTestContext(w)
 	c.Request = &http.Request{