Investigate & document other efforts around abusive language, toxic language, etc.

### Background on the problem the feature will solve/improved user experience
Since beginning the project, we've come across many similar efforts around mitigating racially biased language and toxic language identification. Documenting similar efforts could help us identify opportunities for collaboration and learn from other solutions.

### Describe the solution you'd like
Documentation on what similar projects are out there, how TakeTwo is similar, and how TakeTwo is different, and what lessons learned can we use from these similar solutions.

### Tasks
Investigation and documentation of similar projects

### Acceptance Criteria
See above.