Get acquainted with release infra and seek permissions

Understand the release infrastructure

[ ] Understand role of https://github.com/ros2/ros2 and difference between source and binary releases
[x] Understand role of https://github.com/ros/rosdistro
[x] Review "Releasing a Package" https://docs.ros.org/en/rolling/How-To-Guides/Releasing/Releasing-a-Package.html
[x] Understand role of https://build.ros2.org/ and what the different labels represent.
[x] Understand role of https://ci.ros2.org/ and how to run a CI job
[x] Understand role of https://repo.ros2.org/status_page/ and how to interpret tables for a distro https://repo.ros2.org/status_page/ros_rolling_default.html
[ ] osr_dashboard: https://osrf.github.io/osr_dashboard/?distribution=rolling

[x] Write permissions across orgs/repos in https://github.com/ros2/ros2/blob/rolling/ros2.repos
- [x] Bonus: ros2_documentation
[ ] Request to be added to ROS 2 release team on ros2-gbp https://github.com/ros2-gbp/ros2-gbp-github-org/issues/240
[ ] Permission to run jobs on build.ros2.org and ci.ros2.org