This PR adds a bare-minimum note to the Translations page on the docs
site.
### Change Type
- [x] `documentation` — Changes to the documentation only[^2]
[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version
### Test Plan
1. Take a look at the Translations docs page.
- [ ] Unit Tests
- [ ] End to end tests
### Release Notes
- [docs] Added brief info on how to join as a translations contributor.
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Co-authored-by: Steve Ruiz <steveruizok@gmail.com>
