Fix REST server initialization

components/protocols/include/rest.h

@@ -1,10 +1,14 @@
 #ifndef REST_H_
 #define REST_H_
 
+#include "esp_err.h"
+
 /**
- * @brief Init rest server
- * 
+ * @brief Initialize REST server
+ *
+ * @param base_path Path on the SPIFFS filesystem where static files reside
+ * @return ESP_OK on success, ESP_FAIL otherwise
  */
-void rest_init(void);
+esp_err_t rest_init(const char *base_path);
 
 #endif /* REST_H_ */