add 10bit support to displays

src/helpers/Monitor.hpp

@@ -39,6 +39,7 @@ public:
 
     bool        dpmsStatus = true;
     bool        vrrActive = false; // this can be TRUE even if VRR is not active in the case that this display does not support it.
+    bool        enabled10bit = false; // as above, this can be TRUE even if 10 bit failed.
 
     // mirroring
     CMonitor*   pMirrorOf = nullptr;