feat: add `BatchedInterface`

[AayushSabharwal]

Checklist

• [ ] Appropriate tests were added
• [ ] Any code changes were done in a way that does not break public API
• [ ] All documentation related to code changes were updated
• [ ] The new code follows the contributor guidelines, in particular the SciML Style Guide and COLPRAC.
• [ ] Any new documentation only uses public API

Additional context

Add any other context about the problem here.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 124 lines in your changes are missing coverage. Please review.

Project coverage is 26.68%. Comparing base (f43b850) to head (6dba9ff).

Files	Patch %	Lines
src/batched_interface.jl	0.00%	124 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #65 +/- ## =========================================== + Coverage 0.00% 26.68% +26.68% =========================================== Files 8 10 +2 Lines 372 476 +104 =========================================== + Hits 0 127 +127 + Misses 372 349 -23 ```

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[AayushSabharwal]

SciMLBase downstream failing here is my fault in MTK 😅 It's fixed in https://github.com/SciML/ModelingToolkit.jl/pull/2630

[ChrisRackauckas]

Can we get a follow up tutorial on the batched interface? That's one that takes a bit more depth than the other pieces.