Improve/Update React-Navigation SVGs

[RiteshK-611]

Problem

All react-navigation SVGs are not optimized properly. And they have big file size of around 33 KB which is because these SVGs has many control points.
SVG Files
https://github.com/react-navigation/react-navigation.github.io/blob/main/static/img/spiro.svg
https://github.com/react-navigation/react-navigation.github.io/blob/main/static/img/spiro_header.svg
https://github.com/react-navigation/react-navigation.github.io/blob/main/static/img/spiro_white.svg

Solution

This problem can be solve if we can reprocess the icon with curves rather than one-by-one control points.

[panditakshay402]

@RiteshK-611 can you assign this issue!