Sliders are missing the logarithmic flag

[maximeflya]

Is your feature request related to a problem? Please describe.
ImGuiSliders have a logarithmic flag which is not present in DearPyGui

https://github.com/ocornut/imgui/blob/8199457a7d9e453f8d3d9cadc14683fb54a858b5/imgui.h#L1781-L1789

Describe the solution you'd like
Have the flags available in add_slider_float and add_slider_double

Describe alternatives you've considered
If there was a way to access the flag variable and then manually set it, I would be fine with that, but I don't think this is the case.

If you want me to do a PR I can. I would probably only do it for add_slider_float and add_slider_double because I'm not interested in the multi