Create Eclipse IDE 2023-03 landing page
Similar to [last quarter](https://gitlab.eclipse.org/eclipsefdn/it/websites/eclipseide.org/-/issues/39), we need to create a new 2023-03 landing page for Eclipse SimRel at https://eclipseide.org/
The release is Wednesday, March 15, 2023
Tasks:
* [x] Update content @federica - March 1
* [x] Web dev team implements the changes
* [ ] Revisions and testing
issue