✨ Migrate from MatPlotLib to PyQtGraph to plot data (#94)

Co-authored-by: Giulio Romualdi <giulio.romualdi@gmail.com>

Author: Giulero

robot_log_visualizer/plotter/color_palette.py

@@ -34,3 +34,6 @@ def __next__(self):
         self.current_index += 1
 
         return color
+
+    def __call__(self, index):
+        return self.get_color(index)