Add Sugar Valley NeoPool Controller RS485

[curzon01]

Description:

Add Sugar Valley NeoPool Controller RS485 - also known under brands Hidrolife, Aquascenic, Oxilife, Bionet, Hidroniser, UVScenic, Station, Brilix, Bayrol and Hay

Commands:

• Sensor83 1 <addr> (<cnt>)
  read 16-bit register (cnt=1..30, cnt=1 if omitted)
• Sensor83 2 <addr> <bit> (<data>)
  read/write register bit (bit=0..15, data=0|1)
  read if param is omitted otherwise set to new
• Sensor83 3 <addr> <data> (<data>...)
  write 16-bit register (data=0..65535, max 8 times)
• Sensor83 4 (<state>)
  get/set manual filtration (state=0|1)
  get filtration state if param is omitted otherwise set new state
• Sensor83 5 (<mode>)
  get/set filtration mode (mode=0..4|13)
  get mode if param is omitted otherwise set new mode
• Sensor83 6 (<time>)
  get/set system time
  get current time if param is omitted otherwise set time according:
  0 - sync with Tasmota local time
  1 - sync with Tasmota utc time
  any other value of will set time as epoch
• Sensor83 16 <addr> (<cnt>)
  same as "Sensor83 1" but using hex data output

for <addr> see NeoPoolRegister within src

Checklist:

• The pull request is done against the latest development branch
• Only relevant files were touched
• Only one feature/fix was added per PR and the code change compiles without warnings
• The code change is tested and works on Tasmota core ESP8266 V.2.7.4.9
• The code change is tested and works on Tasmota core ESP32 V.1.0.5-rc6
• I accept the CLA.