fix: Updated header file for channel.hpp

Author: Basiljamal1

data_tamer_cpp/include/data_tamer/channel.hpp

@@ -153,6 +153,11 @@ class LogChannel : public std::enable_shared_from_this<LogChannel>
    */
   void addDataSink(std::shared_ptr<DataSinkBase> sink);
 
+  /**
+   * @brief removeDataSink remove a sink, i.e. a class collecting our snapshots.
+   */
+  void removeDataSink(std::shared_ptr<DataSinkBase> sink);
+
   /**
    * @brief takeSnapshot copies the current value of all your registered values
    *  and send an instance of Snapshot to all your Sinks.