move nodeinfo messages into new plugin system

src/mesh/NodeDB.h

@@ -61,6 +61,10 @@ class NodeDB
      */
     void updatePosition(uint32_t nodeId, const Position &p);
 
+    /** Update user info for this node based on received user data
+     */
+    void updateUser(uint32_t nodeId, const User &p);
+
     /// @return our node number
     NodeNum getNodeNum() { return myNodeInfo.my_node_num; }