Documentation only, no functional change

Added copyrights and comments within headers

Resolves openbmc/openbmc#959

Change-Id: If58d78a39fb08251a34a88c2b6340c9fa33d2569
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/fan_properties.hpp b/fan_properties.hpp
index 22d655a..296318d 100644
--- a/fan_properties.hpp
+++ b/fan_properties.hpp
@@ -10,6 +10,10 @@
 namespace fan
 {
 
+/**
+ * @brief Fan enclosure properties
+ * @details Contains the inventory path, description and list of sensors
+ */
 using Properties = std::tuple<std::string,
                               std::string,
                               std::vector<std::string>>;