Add _layer_0 for temperatures

resources/definitions/creality_ender3pro.def.json

@@ -20,7 +20,7 @@
             ]
         },
         "machine_start_gcode": {
-            "default_value": "; Ender 3 Custom Start G-code\nG92 E0 ; Reset Extruder\nG28 ; Home all axes\nM104 S{material_standby_temperature} ; Start heating up the nozzle most of the way\nM190 S{material_bed_temperature} ; Start heating the bed, wait until target temperature reached\nM109 S{material_print_temperature} ; Finish heating the nozzle\nG1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed\nG1 X0.1 Y20 Z0.3 F5000.0 ; Move to start position\nG1 X0.1 Y200.0 Z0.3 F1500.0 E15 ; Draw the first line\nG1 X0.4 Y200.0 Z0.3 F5000.0 ; Move to side a little\nG1 X0.4 Y20 Z0.3 F1500.0 E30 ; Draw the second line\nG92 E0 ; Reset Extruder\nG1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed\nG1 X5 Y20 Z0.3 F5000.0 ; Move over to prevent blob squish"
+            "default_value": "; Ender 3 Custom Start G-code\nG92 E0 ; Reset Extruder\nG28 ; Home all axes\nM104 S{material_standby_temperature} ; Start heating up the nozzle most of the way\nM190 S{material_bed_temperature_layer_0} ; Start heating the bed, wait until target temperature reached\nM109 S{material_print_temperature_layer_0} ; Finish heating the nozzle\nG1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed\nG1 X0.1 Y20 Z0.3 F5000.0 ; Move to start position\nG1 X0.1 Y200.0 Z0.3 F1500.0 E15 ; Draw the first line\nG1 X0.4 Y200.0 Z0.3 F5000.0 ; Move to side a little\nG1 X0.4 Y20 Z0.3 F1500.0 E30 ; Draw the second line\nG92 E0 ; Reset Extruder\nG1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed\nG1 X5 Y20 Z0.3 F5000.0 ; Move over to prevent blob squish"
         },
 
         "gantry_height": { "value": 25 }