Method append

lib/DevApp/src/main/java/dev/utils/app/SpanUtils.java:616–620

追加文本 @param text 文本内容 @return SpanUtils

(@NonNull final CharSequence text)

     * @return {@link SpanUtils}
     */
    public SpanUtils append(@NonNull final CharSequence text) {
        apply(TYPE_CHAR_SEQUENCE);
        mText = text;
        return this;
    }

    /**
     * 追加换行