Implement a basic Environment node

[MylesScholz]

Motivation

Organisms inhabit an environment with which they interact. So, to complete #20 per the design in /docs/environment_data_structure.md on the environment branch, we must implement an Environment node.

Description

The task is to implement the Environment node with the data structure outlined in /docs/environment_data_structure.md and to make any necessary changes to other implementations to match.

Dependencies

• 59

Time Estimate

2 person-hours

Acceptance Criteria

• All requirements are satisfied
• All changes are merged with a feature branch for the environment

[MylesScholz]

I am closing this Issue because its acceptance criteria are satisfied.