[Strings] Refactor Strings Usage (#2305)

* Initial commit checkpoint

* More functions converted

* Commify

* More functions

* Fin

* Sort declarations

* Split functions between files

* Bots

* Update strings.h

* Split

* Revert find replaces

* Repository template

* Money

* Misc function

* Update CMakeLists.txt

* Saylink

* Update strings.cpp

* Swap Strings::Saylink for Saylink::Create since saylink is coupled to zone database

* API casings

zone/gm_commands/stun.cpp

@@ -31,7 +31,7 @@ void command_stun(Client *c, const Seperator *sep)
 			fmt::format(
 				"You stunned {} for {}.",
 				c->GetTargetDescription(target),
-				ConvertMillisecondsToTime(duration)
+				Strings::MillisecondsToTime(duration)
 			) :
 			fmt::format(
 				"You unstunned {}.",