Minor reminder

Author: cujomalainey

src/BaseClasses/ANTPLUS_BaseProfile.h

@@ -31,6 +31,7 @@ class BaseProfile {
     /**
      * Set the channel deviceNumber, wildcard for searching is 0
      */
+    // TODO add a callback for channel closed
     void setDeviceNumber(uint16_t deviceNumber);
     /**
      * Set the channel transmission type, wildcard for searching is 0