Introduce synchronized websocket interaction

[jimirocks]

[codecov[bot]]

Codecov Report

Patch coverage: 15.55% and project coverage change: -1.09 :warning:

Comparison is base (2608127) 79.38% compared to head (1c2f276) 78.29%.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #203      +/-   ##
============================================
- Coverage     79.38%   78.29%   -1.09%     
  Complexity      767      767              
============================================
  Files           108      109       +1     
  Lines          2231     2262      +31     
  Branches        183      185       +2     
============================================
  Hits           1771     1771              
- Misses          362      391      +29     
- Partials         98      100       +2     

Impacted Files	Coverage Δ
...main/java/cz/smarteon/loxone/SyncCommandGuard.java	0.00% <0.00%> (ø)
.../main/java/cz/smarteon/loxone/LoxoneWebSocket.java	63.52% <28.00%> (-3.00%)	:arrow_down:

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Do you have feedback about the report comment? Let us know in this issue.