Add the dorr mri atlas to the [table](https://github.com/brainglobe/brainglobe.github.io/blob/main/docs/source/documentation/brainglobe-atlasapi/index.md?rgh-link-date=2025-10-29T13%3A56%3A23Z) on the website, and [the atlas details](https://github.com/brainglobe/brainglobe.github.io/blob/main/docs/source/documentation/brainglobe-atlasapi/usage/atlas-details.md?rgh-link-date=2025-10-29T13%3A56%3A23Z) page https://github.com/brainglobe/brainglobe-atlasapi/pull/657
