[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

common/discord/discord.cpp

@@ -1,7 +1,7 @@
 #include "discord.h"
 #include "../http/httplib.h"
 #include "../json/json.h"
-#include "../string_util.h"
+#include "../strings.h"
 #include "../eqemu_logsys.h"
 
 constexpr int MAX_RETRIES = 10;
@@ -21,11 +21,11 @@ void Discord::SendWebhookMessage(const std::string &message, const std::string &
 	}
 
 	// split
-	auto s = SplitString(webhook_url, '/');
+	auto s = Strings::Split(webhook_url, '/');
 
 	// url
 	std::string base_url = fmt::format("{}//{}", s[0], s[2]);
-	std::string endpoint = replace_string(webhook_url, base_url, "");
+	std::string endpoint = Strings::Replace(webhook_url, base_url, "");
 
 	// client
 	httplib::Client cli(base_url.c_str());