message: Added deprecation documentation
diff: @@ -65,6 +65,10 @@ namespace NovelRT::Maths::Utilities
  /**
  * @brief Returns the number of set bits in the given value.
  *
  + * @deprecated This implementation of PopCount is superseeded by <a
  + * href="https://en.cppreference.com/w/cpp/numeric/popcount">std::popcount</a> in C++20. This will be removed when
  + * the language version is updated.
  + *
  * @param value The number to extract the amount of set bits from
  * @return The number of set bits.
  */
  