Promote ROS2 on GitHub via "awesome" list

I thought about editing to “merge in progress”. Anyway you are right. I added the wrong reference. The repo maintainer requested for reviewers to get projects (including awesome-ros2) added.

“This requirement also applies to existing submissions, so if you like to see your submission merged, review at least 2 other pull requests and I’ll prioritize getting your submission merged.”

Probably someone could help out in reviewing “in behalf of awesome-ros2 contributors” or something like that to get the list added :slight_smile: