Add design document discussing QoS reconfigurability (#300)
Add design document discussing QoS reconfigurability (#300)

Signed-off-by: Ivan Santiago Paunovic <f493a283e6aff807b3cc3b53203cbbb64f272da1@ekumenlabs.com>
ros2/design,ros2/design,ros2/design,ros2/design,ros2/design