cpp documentation convention



```type/*<summary>cpp call from node main cpp file</summary><param name="sel">Column to be sorted (index-1-based) and sort direction (pos. = ascending)</param>  <returns>Documentation of return type</returns>*/```
> [Best practice for C++ function commenting](https://stackoverflow.com/questions/2198241/best-practice-for-c-function-commenting)


> [Recommended Tags for Documentation Comments (C++ documentation comments)](https://docs.microsoft.com/en-us/cpp/build/reference/recommended-tags-for-documentation-comments-visual-cpp?redirectedfrom=MSDN&view=vs-2019)







