buzzer/speaker integration with UI panel + system states

[fnckingsnowman]

apply buzzer to system states that would respond accordingly with UI panel

Buzzer/speaker types (noises to make to according states):
- Startup
- Loading and checking: in progress
- Loading and checking: complete
- Planting states:
○ Planting started
○ State:
§ Step 1
□ Start
□ Complete
□ Maintenance (error)
§ Step 2
□ Start
□ Complete
□ Maintenance (error)
§ Step 3
□ Start
□ Complete
□ Maintenance (error)
§ Step 4
□ Start
□ Complete
□ maintenance
○ Planting complete
- Charging and battery:
○ Charging: started
○ 25%
○ 50%
○ 75%
○ 100% : complete
○ Charging: stopped (unplugged)