* new: REQ_TYPE_SUBSCRIBE and REQ_TYPE_UNSUBSCRIBE

src/helpers/ClientACL.h

@@ -28,6 +28,11 @@ struct ClientInfo {
       unsigned long ack_timeout;
       uint8_t  push_failures;
     } room;
+    struct {
+      uint16_t scope_region_id;  // scope to use when sending telemetry to this client/subscriber
+      uint8_t  min_deltas_len;
+      uint8_t  min_deltas[14];  // LPP encoded
+    } sensor;
   } extra;
   
   bool isAdmin() const { return (permissions & PERM_ACL_ROLE_MASK) == PERM_ACL_ADMIN; }