Add initial JSDoc blocks to `media-editor.js`. The initial blocks are a baseline to work from and invite future iterations. Initial commit is to avoid commits this large in the future.

See #26870.



git-svn-id: https://develop.svn.wordpress.org/trunk@26984 602fd350-edb4-49c9-b593-d223f7449a82
Add initial JSDoc blocks to `media-models.js`. The initial blocks are a baseline to work from and invite future iterations. Initial commit is to avoid commits this large in the future.

See #26870.



git-svn-id: https://develop.svn.wordpress.org/trunk@26985 602fd350-edb4-49c9-b593-d223f7449a82