[Doc] Change our `Datagrid` examples to `DataTable`

[erwanMarmelab]

Problem

We want to suggest DataTable on every examples

Solution

Replace our Datagrid examples to DataTable

Additional Checks

• [x] The PR targets master for a bugfix or a documentation fix, or next for a feature
• ~~[ ] The PR includes unit tests (if not possible, describe why)~~
• ~~[ ] The PR includes one or several stories (if not possible, describe why)~~
• [ ] The documentation is up to date

[slax57]

Back to WIP: I also need to redo the screenshots in Tutorial.md

[slax57]

Back to RFR