YAML CPP: Document function `yamlRead`
// -- Functions ----------------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief Read a YAML file and add the resulting data to a given key set
+ *
+ * @param mappings The key set where the YAML data will be stored
+ * @param parent This key stores the path to the YAML data file that should be read
+ *
+ * @retval ELEKTRA_PLUGIN_STATUS_SUCCESS if reading, parsing and storing was successful
+ * @retval ELEKTRA_PLUGIN_STATUS_ERROR if there were any problems
+ */
static int yamlRead (kdb::KeySet & mappings, kdb::Key & parent)
{
using namespace kdb;
