init static method
Initializes the theme data with the given BuildContext.
Implementation
static init({Brightness? brightness, TencentCloudChatThemeModel? themeModel}) {
if (brightness != null) {
TencentCloudChatTheme().brightness = brightness;
}
if (themeModel != null) {
TencentCloudChatTheme().themeModel = themeModel;
}
}