Implement room discovery using the LIST irc command

ref #2472

src/irc/irc_client.cpp

@@ -196,6 +196,11 @@ void IrcClient::send_kick_command(const std::string& chan_name, const std::strin
   this->send_message(IrcMessage("KICK", {chan_name, target, reason}));
 }
 
+void IrcClient::send_list_command()
+{
+  this->send_message(IrcMessage("LIST", {}));
+}
+
 void IrcClient::send_topic_command(const std::string& chan_name, const std::string& topic)
 {
   this->send_message(IrcMessage("TOPIC", {chan_name, topic}));

src/irc/irc_client.hpp

@@ -104,6 +104,10 @@ public:
    * Send the KICK irc command
    */
   void send_kick_command(const std::string& chan_name, const std::string& target, const std::string& reason);
+  /**
+   * Send the LIST irc command
+   */
+  void send_list_command();
   void send_topic_command(const std::string& chan_name, const std::string& topic);
   /**
    * Send the QUIT irc command