Several updates for the MinIO Console docs related to
[v0.22.2](https://github.com/minio/console/releases/tag/v0.22.2) and
[v0.22.3](https://github.com/minio/console/releases/tag/v0.22.3).
Also takes the opportunity to break up the Console doc and remove
screenshots.
- Splits MinIO Console doc into three separate pages
- Removes screenshots from console pages
- Adds toctree to MinIO Console page and references to new pages
Closes#709
- Adds OIDC and LDAP sections to console
Closes#683
- Adds details on object browser (now separated out from bucket browser)
Closes#686
