[GM Commands] Split GM Commands Into Separate Files (#1766)

* Split GM commands into their own files

* Code cleanup

zone/gm_commands/listpetition.cpp

@@ -0,0 +1,22 @@
+#include "../client.h"
+
+void command_listpetition(Client *c, const Seperator *sep)
+{
+	std::string query   = "SELECT petid, charname, accountname FROM petitions ORDER BY petid";
+	auto        results = database.QueryDatabase(query);
+	if (!results.Success()) {
+		return;
+	}
+
+	LogInfo("Petition list requested by [{}]", c->GetName());
+
+	if (results.RowCount() == 0) {
+		return;
+	}
+
+	c->Message(Chat::Red, "	ID : Character Name , Account Name");
+
+	for (auto row = results.begin(); row != results.end(); ++row)
+		c->Message(Chat::Yellow, " %s:	%s , %s ", row[0], row[1], row[2]);
+}
+