UrlProvider: Add pageByTitle()

config.cpp

@@ -85,6 +85,7 @@ Config::Config(const std::map<std::string, std::string> &map)
 	this->urls.linkindex = required("linkindex");
 	this->urls.linklogout = required("linklogout");
 	this->urls.linkpage = required("linkpage");
+	this->urls.linkpagebytitle = required("linkpagebytitle");
 	this->urls.linkrecent = required("linkrecent");
 	this->urls.linkrevision = required("linkrevision");
 	this->urls.linksettings = required("linksettings");