Release v1.3.6

(Garfonso) Fixed: do not ignore devices deleted from iot / without smartName
(Garfosno) Added: Support location devices with one GPS state in string form
(Garfonso) Added: Support for log service, logs frontend errors in server log
(Garfonso) Added: Support for service calls with multiple ids, i.e. header switch of elements card
(Garfonso) Fixed: unique check for manual entities only checked instance 0. Made them a bit more userfriendly, too.
(Garfonso) Added: Possibility to select theme during runtime / select default dark theme
(Garfonso) Fixed: hideToolbar did hide tab bar, too
(Garfonso) Added: Support for iobroker_say service call (allows tts in mini-mediaplayer card using platform iobroker)

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