No More Matplotlib

**Short Description:**
Add a option on RocketPy to use Plotly instead of Matplotlib

 **Long Description:**
All of the plots made by RocketPy are made using matplotlib, but they are not as interactive and pleasant to look at as they could be. Add an option to use graphs made by Plot.ly instead.

 **Useful links:**
[Plotly Python Graphing Library](https://plotly.com/python/)