feat: refactor slash commands system into more scalable system (#1510)

* WIP, but working

* Scaffolding

* testing and making it compile again

* move all commands to functions

* renaming to compile

* fix failing tests

idk how these werent failing before.  Seems to have been magic.

* move commandss into their namespace
make help command useful
fix mac error

TODO: remove the multiple not founds/ rework the structure to split into help and handling

* Just need to fill out the fields, but it's all there templated

* Add all aliases, register missing commands

* All help text

* remove test logs

* improvements

pass through added code for optimizations and cleanup as well as reduce the amount of scoping for readability and maintainability

* Update SlashCommandHandler.cpp

* only save command if it is a GM command

* simplify if checks

* remove broken delimiter

* Update SlashCommandHandler.cpp

* Update SlashCommandHandler.cpp

---------

Co-authored-by: David Markowitz <EmosewaMC@gmail.com>

dWorldServer/WorldServer.cpp

@@ -79,6 +79,7 @@
 #include "PositionUpdate.h"
 #include "PlayerManager.h"
 #include "eLoginResponse.h"
+#include "SlashCommandHandler.h"
 
 namespace Game {
 	Logger* logger = nullptr;
@@ -313,6 +314,9 @@ int main(int argc, char** argv) {
 	uint32_t sqlPingTime = 10 * 60 * currentFramerate; // 10 minutes in frames
 	uint32_t emptyShutdownTime = (cloneID == 0 ? 30 : 5) * 60 * currentFramerate; // 30 minutes for main worlds, 5 for all others.
 
+	// Register slash commands
+	SlashCommandHandler::Startup();
+
 	Game::logger->Flush(); // once immediately before the main loop
 	while (true) {
 		Metrics::StartMeasurement(MetricVariable::Frame);