Allow controls for TIDAL Connect (#31)

* Allow controls for TIDAL Connect

HEOS U34 added support for TIDAL Connect. When playing, the source id is
always `0`. All normal player controls are supported in this case.

* Merge conflic fixes

* Fix const

---------

Co-authored-by: Andrew Sayre <6730289+andrewsayre@users.noreply.github.com>

pyheos/const.py

@@ -130,6 +130,7 @@ class MediaType(StrEnum):
 
 
 # Music Sources
+MUSIC_SOURCE_CONNECT: Final = 0  # TIDAL Connect // possibly Spotify Connect as well (?)
 MUSIC_SOURCE_PANDORA: Final = 1
 MUSIC_SOURCE_RHAPSODY: Final = 2
 MUSIC_SOURCE_TUNEIN: Final = 3
@@ -174,6 +175,7 @@ class MediaType(StrEnum):
 CONTROL_PLAY_STOP: Final = [CONTROL_PLAY, CONTROL_STOP]
 
 SOURCE_CONTROLS: Final = {
+    MUSIC_SOURCE_CONNECT: {MediaType.STATION: CONTROLS_ALL},
     MUSIC_SOURCE_PANDORA: {MediaType.STATION: CONTROLS_FORWARD_ONLY},
     MUSIC_SOURCE_RHAPSODY: {
         MediaType.SONG: CONTROLS_ALL,