Add support for remote access config

[bdraco]

• We should be able to add a switch to shut off the cloud connection in Home Assistant
• We need to store the remote host and port before we shut it off so we can turn it back on.. some might need a \r

— Query Remote Access —
AT+SOCKB
+ok=TCP,8816,ra8816us02.magichue.net
AT+Z
+ok

— Enable Remote Access —
AT+SOCKB=TCP,8816,ra8816us02.magichue.net
+ok
AT+Z
+ok

— Disable Remote Access —
AT+SOCKB=NONE
+ok
AT+Z
+ok

[codecov-commenter]

Codecov Report

Merging #225 (f15949e) into master (07e4b5d) will increase coverage by 0.49%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #225      +/-   ##
==========================================
+ Coverage   83.45%   83.95%   +0.49%     
==========================================
  Files          15       15              
  Lines        2230     2293      +63     
==========================================
+ Hits         1861     1925      +64     
+ Misses        369      368       -1     

Impacted Files	Coverage Δ
flux_led/aiodevice.py	100.00% <100.00%> (ø)
flux_led/aioscanner.py	98.68% <100.00%> (+0.68%)	:arrow_up:
flux_led/scanner.py	77.10% <100.00%> (+6.21%)	:arrow_up:

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