docs: def opensignals_kwargs(obj):
      """
      -----
      Brief
      -----
      Function used to automatically apply the OpenSignals graphical style to the toolbar of Bokeh grid plots.
  
      -----------
      Description
      -----------
      Bokeh grid plots have numerous options in order to personalise the visual aspect and functionalities of plots.
      OpenSignals uses a specific graphical design that limits this options and unifies the aspect of its plots.
  
      This function applies the graphical aspect of the toolbar of OpenSignals to a given Bokeh figure object given as
      input.
  
      ----------
      Parameters
      ----------
      obj : str
          String that identifies if the kwargs will be the input of "figure" or "gridplot".
  
      Returns
      -------
      out : dict
          Dictionary with toolbar parameters.
  
      """
  
      out = None
      if obj == "figure":
          out = {}
      elif obj == "gridplot":
          out = {"toolbar_options": {"logo": None}, "sizing_mode": 'scale_width'}
      elif obj == "line":
          out = {"line_width": 2, "line_color": opensignals_color_pallet()}
  
      return out