Sliders are missing the logarithmic flag

**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