Co-authored-by: andrewcoh <54679309+andrewcoh@users.noreply.github.com>
### Variable Length Observations
It is possible to have observations be of variable size by using a `BufferSensor`,
It is possible for agents to collect observations from a varying number of GameObjects by using a `BufferSensor`.
You can add a `BufferSensor` to your Agent by adding a `BufferSensorComponent` to
its GameObject.
The `BufferSensor` can be useful in situations in which the Agent must pay