[Feature] Add Character Auto Login (#4216)

* [Feature] Add Character Auto Login

* Add commands and finalize.

* Add methods without character name.

* Update perl_client.cpp

* Add other methods.

* Repository methods.

* Update account_repository.h

* Update command_subsettings_repository.h

* Update command_subsettings_repository.h

* Update client.cpp

zone/gm_commands/show/auto_login.cpp

@@ -0,0 +1,37 @@
+#include "../../client.h"
+#include "../../common/repositories/account_repository.h"
+
+void ShowAutoLogin(Client* c, const Seperator* sep)
+{
+	if (!RuleB(World, EnableAutoLogin)) {
+		c->Message(Chat::White, "Auto login is disabled.");
+		return;
+	}
+
+	Client* t = c;
+	if (c->GetGM() && c->GetTarget() && c->GetTarget()->IsClient()) {
+		t = c->GetTarget()->CastToClient();
+	}
+
+	const auto& e = AccountRepository::FindOne(database, t->AccountID());
+
+	if (!e.id) {
+		c->Message(
+			Chat::White,
+			fmt::format(
+				"Failed to find an account entry for {}.",
+				c->GetTargetDescription(t)
+			).c_str()
+		);
+		return;
+	}
+
+	c->Message(
+		Chat::White,
+		fmt::format(
+			"Auto login character for {} is set to '{}'.",
+			c->GetTargetDescription(t),
+			e.auto_login_charname
+		).c_str()
+	);
+}