feat: add grid to analysis plot

Python_script/analysis.py

@@ -102,6 +102,11 @@ def plot_sweep(temperatures, humidities, basename, sweep_type, measurement_sets,
     ax4.tick_params(bottom=True, top=True, direction='in')
     ax5.tick_params(bottom=True, top=True, direction='inout')
 
+    ax1.grid(True, linestyle=":")
+    ax2.grid(True, linestyle=":")
+    ax4.grid(True, linestyle=":")
+    ax5.grid(True, linestyle=":")
+
     if sweep_type == 'temperature':
         fig.suptitle(basename + ': Temperature sweep at ' + str(humidities[0]) + ' % r.h.')
         ax2.set_xlabel('temperature [deg C]')