docstr: Write the HLS project. Calls the steps from VivadoWriter, adapted for Vitis
code: def write_hls(self, model):
      """
      Write the HLS project. Calls the steps from VivadoWriter, adapted for Vitis
      """
      super().write_hls(model)
      self.write_nnet_utils_overrides(model)
  
file_path: hls4ml/hls4ml/writer/vitis_writer.py
imports: import glob
  import os
  from shutil import copy
  from hls4ml.writer.vivado_writer import VivadoWriter
label_desc: Use image node_id 3 for calling the VitisWriter obj's underlying member method code with example usage: obj.write_hls(model) without return types