Inject server configuration instead of using a singleton

src/server/server.hpp

@@ -14,7 +14,7 @@ private:
 public:
 	void Execute();
 	
-	HttpServer(Logger & logger);
+	HttpServer(Logger & logger, ServerConfiguration const & serverConfiguration);
 	HttpServer(HttpServer & other) = delete;
 	HttpServer & operator=(HttpServer & other) = delete;
 };