Added some doc

include/aidge/utils/Attributes.hpp

@@ -42,8 +42,24 @@ constexpr std::size_t size(T (&)[N]) { return N; }
 */
 class Attributes {
 public:
+    /**
+     * @brief Check if the attribute exists.
+     * @param name Name of the attribute to check.
+     * @return bool True if the attribute exists, false otherwise.
+    */
     virtual bool hasAttr(const std::string& name) const = 0;
+
+    /**
+     * @brief Get the (implementation defined) name of the type of an attribute, returned by std::type_info::name.
+     * @param name Name of the attribute.
+     * @return std::string Name of the type as returned by std::type_info::name.
+    */
     virtual std::string getAttrType(const std::string& name) const = 0;
+
+    /**
+     * @brief Get the attribute's name list.
+     * @return std::vector<std::string> Vector of names of the attributes.
+    */
     virtual std::vector<std::string> getAttrsName() const = 0;
 
 #ifdef PYBIND

include/aidge/utils/StaticAttributes.hpp

@@ -19,6 +19,11 @@
 #include "aidge/utils/Attributes.hpp"
 
 namespace Aidge {
+/**
+ * @brief This class is designed to handle static attributes (i.e. known at compile-time) 
+ * with named accessors, with minimal overhead (the name strings are not stored in each object 
+ * instance and it remains possible to access attribute without overhead at compile-time).
+*/
 template <class ATTRS_ENUM, class ...T>
 class StaticAttributes : public Attributes {
 public: