ROS2 Rust

I think I really need to master this. But first, I should learn Rust lol.

Some options:

• https://github.com/ros2-rust/ros2_rust
• https://github.com/sequenceplanner/r2r
  • Found from this thread https://news.ycombinator.com/item?id=15534391

Also some discussions here https://discourse.ros.org/t/rust-and-robotics/23344/6