text: Title: Auto annotation for sectors in chord diagram
  Body: > Annotation plotting is a feature added in v1.9.0 (python>=3.9). It is not available in v1.8.0. 
  
   _Originally posted by @moshi4 in [#83](https://github.com/moshi4/pyCirclize/issues/83#issuecomment-2658729865)_
  
  
  
  upgraded to v1.9.0 still it is not changing. 
  
  ```
  from pycirclize import Circos, config
  from pycirclize.parser import Matrix
  config.ann_adjust.enable = True
  circos = Circos.chord_diagram(
          matrix,
          cmap= sector_color_dict,
          link_kws=dict(direction=0, ec="black", lw=0.5, fc="black", alpha=0.5),
          link_kws_handler = link_kws_handler_overall,
          order = country_order_list,
          # label_kws = dict(orientation = 'vertical', r=115)
      )
  ```
  
  While in the documentation track.annotate is used. However I am using from to matrix and updates aren't happing still. Do you have any suggestions.
  
  full pseudocode:
  
  ``` 
   country_order_list = sorted(list(set(edge_list['source']).union(set(edge_list['target']))))
      for country in country_order_list:
          cnt = country.split('_')[0]
          if country not in country_color_dict.keys():
              sector_color_dict[cnt] = 'red'
          else:
              sector_color_dict[cnt] = country_color_dict[cnt]
      from_to_table_df = edge_list.groupby(['source', 'target']).size().reset_index(name='count')[['source', 'target', 'count']]
      matrix = Matrix.parse_fromto_table(from_to_table_df)
      from_to_table_df['year'] = year
      from_to_table_overall = pd.concat([from_to_table_overall, from_to_table_df])
      circos = Circos.chord_diagram(
          matrix,
          cmap= sector_color_dict,
          link_kws=dict(direction=0, ec="black", lw=0.5, fc="black", alpha=0.5),
          link_kws_handler = link_kws_handler_overall,
          order = country_order_list,
          # label_kws = dict(orientation = 'vertical', r=115)
      )
      circos.plotfig()
      plt.show()
      plt.title(f'{year}_overall')
      plt.close()
  ```
  