Add graph on bandwidth by major Tor version and bandwidth by recommended flag

It would be nice to have a graph similar to [1] but replacing the number of relays with overall traffic share.

example (numbers completely made up): 0.2.4 is handling 15% of the traffic 0.2.3 is handling 40% of the traffic ...

[1] https://metrics.torproject.org/network.html#versions

Trac:
Username: cypherpunkx

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information