Fix: Doxygen grouping startup

src/startup.cpp

@@ -50,6 +50,8 @@ namespace sta
 	{
 		/**
 		 * @brief Function that returns the UART handle used for debugging. Override it in userspace to adjust.
+		 * 
+		 * @ingroup tacos_startup
 		 */
 		STA_WEAK
 		UART_HandleTypeDef * getUARThandle(){
@@ -58,6 +60,8 @@ namespace sta
 
 		/**
 		 * @brief Function that initializes the printable object given by getUARThandle().
+		 * 
+		 * @ingroup tacos_startup
 		 */
 		void initPrintable()
 		{