Julia ODE-lstm file added

[Aksh8t]

Checklist

• [NO] Appropriate tests were added
• [YES] Any code changes were done in a way that does not break public API
• [-] All documentation related to code changes were updated
• [YES] The new code follows the contributor guidelines, in particular the SciML Style Guide and COLPRAC.
• [-] Any new documentation only uses public API

Additional context

I have implemented the ODE-LSTM code of python to Julia in single file with all functions working right.

[Aksh8t]

Updated as per feedback, please review the changes